Finding the Fourth Proportional to 498,318.08, 687,669.36 and 271,965.20
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Solution
The fourth proportional to 498,318.08, 687,669.36 and 271,965.20 is: 375,306.74
Step by Step Solution
- Step 1: Write the proportion equation
498,318.08 : 687,669.36 = 271,965.20 : x - Step 2: Convert to fraction form
498,318.08/687,669.36 = 271,965.20/x - Step 3: Cross multiply
498,318.08x = 687,669.36 × 271,965.20 - Step 4: Simplify right side
498,318.08x = 187,022,135,026.27 - Step 5: Solve for x
x = 187,022,135,026.27/498,318.08 - Step 6: Final answer
x = 375,306.74
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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.