Finding the Fourth Proportional to 239,695.47, 330,781.64 and 132,269.36
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Solution
The fourth proportional to 239,695.47, 330,781.64 and 132,269.36 is: 182,532.75
Step by Step Solution
- Step 1: Write the proportion equation
239,695.47 : 330,781.64 = 132,269.36 : x - Step 2: Convert to fraction form
239,695.47/330,781.64 = 132,269.36/x - Step 3: Cross multiply
239,695.47x = 330,781.64 × 132,269.36 - Step 4: Simplify right side
239,695.47x = 43,752,273,507.30 - Step 5: Solve for x
x = 43,752,273,507.30/239,695.47 - Step 6: Final answer
x = 182,532.75
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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.