Finding the Fourth Proportional to 542,717.52, 748,995.12 and 301,078.08
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Solution
The fourth proportional to 542,717.52, 748,995.12 and 301,078.08 is: 415,512.68
Step by Step Solution
- Step 1: Write the proportion equation
542,717.52 : 748,995.12 = 301,078.08 : x - Step 2: Convert to fraction form
542,717.52/748,995.12 = 301,078.08/x - Step 3: Cross multiply
542,717.52x = 748,995.12 × 301,078.08 - Step 4: Simplify right side
542,717.52x = 225,506,012,658.97 - Step 5: Solve for x
x = 225,506,012,658.97/542,717.52 - Step 6: Final answer
x = 415,512.68
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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.