Finding the Fourth Proportional to 542,797.36, 748,570.08 and 338,867.17
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Solution
The fourth proportional to 542,797.36, 748,570.08 and 338,867.17 is: 467,330.62
Step by Step Solution
- Step 1: Write the proportion equation
542,797.36 : 748,570.08 = 338,867.17 : x - Step 2: Convert to fraction form
542,797.36/748,570.08 = 338,867.17/x - Step 3: Cross multiply
542,797.36x = 748,570.08 × 338,867.17 - Step 4: Simplify right side
542,797.36x = 253,665,824,556.27 - Step 5: Solve for x
x = 253,665,824,556.27/542,797.36 - Step 6: Final answer
x = 467,330.62
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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.