Finding the Fourth Proportional to 159,964.92, 239,905.62 and 47,614.68
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Solution
The fourth proportional to 159,964.92, 239,905.62 and 47,614.68 is: 71,409.59
Step by Step Solution
- Step 1: Write the proportion equation
159,964.92 : 239,905.62 = 47,614.68 : x - Step 2: Convert to fraction form
159,964.92/239,905.62 = 47,614.68/x - Step 3: Cross multiply
159,964.92x = 239,905.62 × 47,614.68 - Step 4: Simplify right side
159,964.92x = 11,423,029,326.50 - Step 5: Solve for x
x = 11,423,029,326.50/159,964.92 - Step 6: Final answer
x = 71,409.59
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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.