Finding the Fourth Proportional to 239,220.74, 358,863.92 and 70,754.32
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Solution
The fourth proportional to 239,220.74, 358,863.92 and 70,754.32 is: 106,141.18
Step by Step Solution
- Step 1: Write the proportion equation
239,220.74 : 358,863.92 = 70,754.32 : x - Step 2: Convert to fraction form
239,220.74/358,863.92 = 70,754.32/x - Step 3: Cross multiply
239,220.74x = 358,863.92 × 70,754.32 - Step 4: Simplify right side
239,220.74x = 25,391,172,632.13 - Step 5: Solve for x
x = 25,391,172,632.13/239,220.74 - Step 6: Final answer
x = 106,141.18
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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.