Finding the Fourth Proportional to 386,609.87, 579,725.08 and 158,864.23
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Solution
The fourth proportional to 386,609.87, 579,725.08 and 158,864.23 is: 238,218.38
Step by Step Solution
- Step 1: Write the proportion equation
386,609.87 : 579,725.08 = 158,864.23 : x - Step 2: Convert to fraction form
386,609.87/579,725.08 = 158,864.23/x - Step 3: Cross multiply
386,609.87x = 579,725.08 × 158,864.23 - Step 4: Simplify right side
386,609.87x = 92,097,578,773.38 - Step 5: Solve for x
x = 92,097,578,773.38/386,609.87 - Step 6: Final answer
x = 238,218.38
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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.