Finding the Fourth Proportional to 425,122.74, 586,695.92 and 234,136.08
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Solution
The fourth proportional to 425,122.74, 586,695.92 and 234,136.08 is: 323,122.40
Step by Step Solution
- Step 1: Write the proportion equation
425,122.74 : 586,695.92 = 234,136.08 : x - Step 2: Convert to fraction form
425,122.74/586,695.92 = 234,136.08/x - Step 3: Cross multiply
425,122.74x = 586,695.92 × 234,136.08 - Step 4: Simplify right side
425,122.74x = 137,366,681,690.11 - Step 5: Solve for x
x = 137,366,681,690.11/425,122.74 - Step 6: Final answer
x = 323,122.40
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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.