Finding the Fourth Proportional to 187,211.99, 258,311.85 and 110,735.30
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Solution
The fourth proportional to 187,211.99, 258,311.85 and 110,735.30 is: 152,790.64
Step by Step Solution
- Step 1: Write the proportion equation
187,211.99 : 258,311.85 = 110,735.30 : x - Step 2: Convert to fraction form
187,211.99/258,311.85 = 110,735.30/x - Step 3: Cross multiply
187,211.99x = 258,311.85 × 110,735.30 - Step 4: Simplify right side
187,211.99x = 28,604,240,203.31 - Step 5: Solve for x
x = 28,604,240,203.31/187,211.99 - Step 6: Final answer
x = 152,790.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.