Finding the Fourth Proportional to 409,721.62, 614,655.11 and 125,405.88
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Solution
The fourth proportional to 409,721.62, 614,655.11 and 125,405.88 is: 188,131.07
Step by Step Solution
- Step 1: Write the proportion equation
409,721.62 : 614,655.11 = 125,405.88 : x - Step 2: Convert to fraction form
409,721.62/614,655.11 = 125,405.88/x - Step 3: Cross multiply
409,721.62x = 614,655.11 × 125,405.88 - Step 4: Simplify right side
409,721.62x = 77,081,364,966.05 - Step 5: Solve for x
x = 77,081,364,966.05/409,721.62 - Step 6: Final answer
x = 188,131.07
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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.