Finding the Fourth Proportional to 456,887.70, 685,396.35 and 141,311.70
Calculator
Solution
The fourth proportional to 456,887.70, 685,396.35 and 141,311.70 is: 211,987.59
Step by Step Solution
- Step 1: Write the proportion equation
456,887.70 : 685,396.35 = 141,311.70 : x - Step 2: Convert to fraction form
456,887.70/685,396.35 = 141,311.70/x - Step 3: Cross multiply
456,887.70x = 685,396.35 × 141,311.70 - Step 4: Simplify right side
456,887.70x = 96,854,523,392.30 - Step 5: Solve for x
x = 96,854,523,392.30/456,887.70 - Step 6: Final answer
x = 211,987.59
Related Problems
Find fourth proportional to 228,443.85, 342,698.18 and 70,655.85
Half scale
Find fourth proportional to 913,775.40, 1,370,792.70 and 282,623.40
Double scale
Find fourth proportional to 456,888.70, 685,397.85 and 141,312.70
Similar ratio
Find fourth proportional to 685,331.55, 1,028,094.53 and 211,967.55
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.