Finding the Fourth Proportional to 425,122.65, 586,695.78 and 234,135.99
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Solution
The fourth proportional to 425,122.65, 586,695.78 and 234,135.99 is: 323,122.27
Step by Step Solution
- Step 1: Write the proportion equation
425,122.65 : 586,695.78 = 234,135.99 : x - Step 2: Convert to fraction form
425,122.65/586,695.78 = 234,135.99/x - Step 3: Cross multiply
425,122.65x = 586,695.78 × 234,135.99 - Step 4: Simplify right side
425,122.65x = 137,366,597,279.12 - Step 5: Solve for x
x = 137,366,597,279.12/425,122.65 - Step 6: Final answer
x = 323,122.27
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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.