Finding the Fourth Proportional to 403,732.64, 556,691.99 and 258,344.52
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Solution
The fourth proportional to 403,732.64, 556,691.99 and 258,344.52 is: 356,221.70
Step by Step Solution
- Step 1: Write the proportion equation
403,732.64 : 556,691.99 = 258,344.52 : x - Step 2: Convert to fraction form
403,732.64/556,691.99 = 258,344.52/x - Step 3: Cross multiply
403,732.64x = 556,691.99 × 258,344.52 - Step 4: Simplify right side
403,732.64x = 143,818,323,652.67 - Step 5: Solve for x
x = 143,818,323,652.67/403,732.64 - Step 6: Final answer
x = 356,221.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.