Finding the Fourth Proportional to 414,434.12, 571,865.28 and 233,139.92
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Solution
The fourth proportional to 414,434.12, 571,865.28 and 233,139.92 is: 321,702.82
Step by Step Solution
- Step 1: Write the proportion equation
414,434.12 : 571,865.28 = 233,139.92 : x - Step 2: Convert to fraction form
414,434.12/571,865.28 = 233,139.92/x - Step 3: Cross multiply
414,434.12x = 571,865.28 × 233,139.92 - Step 4: Simplify right side
414,434.12x = 133,324,625,629.98 - Step 5: Solve for x
x = 133,324,625,629.98/414,434.12 - Step 6: Final answer
x = 321,702.82
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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.