Finding the Fourth Proportional to 239,456.71, 330,452.84 and 130,560.14
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Solution
The fourth proportional to 239,456.71, 330,452.84 and 130,560.14 is: 180,174.40
Step by Step Solution
- Step 1: Write the proportion equation
239,456.71 : 330,452.84 = 130,560.14 : x - Step 2: Convert to fraction form
239,456.71/330,452.84 = 130,560.14/x - Step 3: Cross multiply
239,456.71x = 330,452.84 × 130,560.14 - Step 4: Simplify right side
239,456.71x = 43,143,969,227.13 - Step 5: Solve for x
x = 43,143,969,227.13/239,456.71 - Step 6: Final answer
x = 180,174.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.