Finding the Fourth Proportional to 425,230.96, 637,842.30 and 125,717.17
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Solution
The fourth proportional to 425,230.96, 637,842.30 and 125,717.17 is: 188,574.53
Step by Step Solution
- Step 1: Write the proportion equation
425,230.96 : 637,842.30 = 125,717.17 : x - Step 2: Convert to fraction form
425,230.96/637,842.30 = 125,717.17/x - Step 3: Cross multiply
425,230.96x = 637,842.30 × 125,717.17 - Step 4: Simplify right side
425,230.96x = 80,187,728,862.29 - Step 5: Solve for x
x = 80,187,728,862.29/425,230.96 - Step 6: Final answer
x = 188,574.53
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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.