Finding the Fourth Proportional to 296,863.44, 445,251.96 and 86,444.88
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Solution
The fourth proportional to 296,863.44, 445,251.96 and 86,444.88 is: 129,654.74
Step by Step Solution
- Step 1: Write the proportion equation
296,863.44 : 445,251.96 = 86,444.88 : x - Step 2: Convert to fraction form
296,863.44/445,251.96 = 86,444.88/x - Step 3: Cross multiply
296,863.44x = 445,251.96 × 86,444.88 - Step 4: Simplify right side
296,863.44x = 38,489,752,251.96 - Step 5: Solve for x
x = 38,489,752,251.96/296,863.44 - Step 6: Final answer
x = 129,654.74
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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.