Finding the Fourth Proportional to 353,119.80, 529,679.70 and 195,655.80
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Solution
The fourth proportional to 353,119.80, 529,679.70 and 195,655.80 is: 293,483.70
Step by Step Solution
- Step 1: Write the proportion equation
353,119.80 : 529,679.70 = 195,655.80 : x - Step 2: Convert to fraction form
353,119.80/529,679.70 = 195,655.80/x - Step 3: Cross multiply
353,119.80x = 529,679.70 × 195,655.80 - Step 4: Simplify right side
353,119.80x = 103,634,905,447.26 - Step 5: Solve for x
x = 103,634,905,447.26/353,119.80 - Step 6: Final answer
x = 293,483.70
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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.