Finding the Fourth Proportional to 657,125.10, 985,687.65 and 158,489.10
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Solution
The fourth proportional to 657,125.10, 985,687.65 and 158,489.10 is: 237,733.65
Step by Step Solution
- Step 1: Write the proportion equation
657,125.10 : 985,687.65 = 158,489.10 : x - Step 2: Convert to fraction form
657,125.10/985,687.65 = 158,489.10/x - Step 3: Cross multiply
657,125.10x = 985,687.65 × 158,489.10 - Step 4: Simplify right side
657,125.10x = 156,220,748,529.62 - Step 5: Solve for x
x = 156,220,748,529.62/657,125.10 - Step 6: Final answer
x = 237,733.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.