Finding the Fourth Proportional to 159,728.05, 239,592.08 and 48,905.65
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Solution
The fourth proportional to 159,728.05, 239,592.08 and 48,905.65 is: 73,358.48
Step by Step Solution
- Step 1: Write the proportion equation
159,728.05 : 239,592.08 = 48,905.65 : x - Step 2: Convert to fraction form
159,728.05/239,592.08 = 48,905.65/x - Step 3: Cross multiply
159,728.05x = 239,592.08 × 48,905.65 - Step 4: Simplify right side
159,728.05x = 11,717,406,162.72 - Step 5: Solve for x
x = 11,717,406,162.72/159,728.05 - Step 6: Final answer
x = 73,358.48
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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.