Finding the Fourth Proportional to 479,037.12, 718,553.52 and 124,020.96
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Solution
The fourth proportional to 479,037.12, 718,553.52 and 124,020.96 is: 186,030.88
Step by Step Solution
- Step 1: Write the proportion equation
479,037.12 : 718,553.52 = 124,020.96 : x - Step 2: Convert to fraction form
479,037.12/718,553.52 = 124,020.96/x - Step 3: Cross multiply
479,037.12x = 718,553.52 × 124,020.96 - Step 4: Simplify right side
479,037.12x = 89,115,697,361.78 - Step 5: Solve for x
x = 89,115,697,361.78/479,037.12 - Step 6: Final answer
x = 186,030.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.