Finding the Fourth Proportional to 132,276.47, 182,542.84 and 71,848.28
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Solution
The fourth proportional to 132,276.47, 182,542.84 and 71,848.28 is: 99,151.34
Step by Step Solution
- Step 1: Write the proportion equation
132,276.47 : 182,542.84 = 71,848.28 : x - Step 2: Convert to fraction form
132,276.47/182,542.84 = 71,848.28/x - Step 3: Cross multiply
132,276.47x = 182,542.84 × 71,848.28 - Step 4: Simplify right side
132,276.47x = 13,115,389,357.05 - Step 5: Solve for x
x = 13,115,389,357.05/132,276.47 - Step 6: Final answer
x = 99,151.34
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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.