Finding the Fourth Proportional to 284,536.62, 392,655.87 and 157,217.58
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Solution
The fourth proportional to 284,536.62, 392,655.87 and 157,217.58 is: 216,957.68
Step by Step Solution
- Step 1: Write the proportion equation
284,536.62 : 392,655.87 = 157,217.58 : x - Step 2: Convert to fraction form
284,536.62/392,655.87 = 157,217.58/x - Step 3: Cross multiply
284,536.62x = 392,655.87 × 157,217.58 - Step 4: Simplify right side
284,536.62x = 61,732,405,654.19 - Step 5: Solve for x
x = 61,732,405,654.19/284,536.62 - Step 6: Final answer
x = 216,957.68
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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.