Finding the Fourth Proportional to 432,733.68, 649,132.92 and 133,422.48
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Solution
The fourth proportional to 432,733.68, 649,132.92 and 133,422.48 is: 200,143.71
Step by Step Solution
- Step 1: Write the proportion equation
432,733.68 : 649,132.92 = 133,422.48 : x - Step 2: Convert to fraction form
432,733.68/649,132.92 = 133,422.48/x - Step 3: Cross multiply
432,733.68x = 649,132.92 × 133,422.48 - Step 4: Simplify right side
432,733.68x = 86,608,924,036.04 - Step 5: Solve for x
x = 86,608,924,036.04/432,733.68 - Step 6: Final answer
x = 200,143.71
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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.