Finding the Fourth Proportional to 110,565.99, 152,581.11 and 62,819.40
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Solution
The fourth proportional to 110,565.99, 152,581.11 and 62,819.40 is: 86,690.80
Step by Step Solution
- Step 1: Write the proportion equation
110,565.99 : 152,581.11 = 62,819.40 : x - Step 2: Convert to fraction form
110,565.99/152,581.11 = 62,819.40/x - Step 3: Cross multiply
110,565.99x = 152,581.11 × 62,819.40 - Step 4: Simplify right side
110,565.99x = 9,585,053,781.53 - Step 5: Solve for x
x = 9,585,053,781.53/110,565.99 - Step 6: Final answer
x = 86,690.80
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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.