Finding the Fourth Proportional to 423,657.20, 635,490.97 and 124,143.84
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Solution
The fourth proportional to 423,657.20, 635,490.97 and 124,143.84 is: 186,217.27
Step by Step Solution
- Step 1: Write the proportion equation
423,657.20 : 635,490.97 = 124,143.84 : x - Step 2: Convert to fraction form
423,657.20/635,490.97 = 124,143.84/x - Step 3: Cross multiply
423,657.20x = 635,490.97 × 124,143.84 - Step 4: Simplify right side
423,657.20x = 78,892,288,990.77 - Step 5: Solve for x
x = 78,892,288,990.77/423,657.20 - Step 6: Final answer
x = 186,217.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.