Finding the Fourth Proportional to 527,272.13, 790,889.97 and 148,195.82
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Solution
The fourth proportional to 527,272.13, 790,889.97 and 148,195.82 is: 222,288.61
Step by Step Solution
- Step 1: Write the proportion equation
527,272.13 : 790,889.97 = 148,195.82 : x - Step 2: Convert to fraction form
527,272.13/790,889.97 = 148,195.82/x - Step 3: Cross multiply
527,272.13x = 790,889.97 × 148,195.82 - Step 4: Simplify right side
527,272.13x = 117,206,587,633.93 - Step 5: Solve for x
x = 117,206,587,633.93/527,272.13 - Step 6: Final answer
x = 222,288.61
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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.