Finding the Fourth Proportional to 481,489.92, 722,079.36 and 165,862.08
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Solution
The fourth proportional to 481,489.92, 722,079.36 and 165,862.08 is: 248,739.55
Step by Step Solution
- Step 1: Write the proportion equation
481,489.92 : 722,079.36 = 165,862.08 : x - Step 2: Convert to fraction form
481,489.92/722,079.36 = 165,862.08/x - Step 3: Cross multiply
481,489.92x = 722,079.36 × 165,862.08 - Step 4: Simplify right side
481,489.92x = 119,765,584,574.67 - Step 5: Solve for x
x = 119,765,584,574.67/481,489.92 - Step 6: Final answer
x = 248,739.55
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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.