Finding the Fourth Proportional to 425,104.91, 586,635.95 and 231,514.74
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Solution
The fourth proportional to 425,104.91, 586,635.95 and 231,514.74 is: 319,485.54
Step by Step Solution
- Step 1: Write the proportion equation
425,104.91 : 586,635.95 = 231,514.74 : x - Step 2: Convert to fraction form
425,104.91/586,635.95 = 231,514.74/x - Step 3: Cross multiply
425,104.91x = 586,635.95 × 231,514.74 - Step 4: Simplify right side
425,104.91x = 135,814,870,017.69 - Step 5: Solve for x
x = 135,814,870,017.69/425,104.91 - Step 6: Final answer
x = 319,485.54
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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.