Finding the Fourth Proportional to 238,589.53, 357,874.96 and 80,817.99
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Solution
The fourth proportional to 238,589.53, 357,874.96 and 80,817.99 is: 121,223.82
Step by Step Solution
- Step 1: Write the proportion equation
238,589.53 : 357,874.96 = 80,817.99 : x - Step 2: Convert to fraction form
238,589.53/357,874.96 = 80,817.99/x - Step 3: Cross multiply
238,589.53x = 357,874.96 × 80,817.99 - Step 4: Simplify right side
238,589.53x = 28,922,733,545.99 - Step 5: Solve for x
x = 28,922,733,545.99/238,589.53 - Step 6: Final answer
x = 121,223.82
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1.5x scale
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.