Finding the Fourth Proportional to 458,767.44, 688,117.14 and 192,517.20
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Solution
The fourth proportional to 458,767.44, 688,117.14 and 192,517.20 is: 288,761.52
Step by Step Solution
- Step 1: Write the proportion equation
458,767.44 : 688,117.14 = 192,517.20 : x - Step 2: Convert to fraction form
458,767.44/688,117.14 = 192,517.20/x - Step 3: Cross multiply
458,767.44x = 688,117.14 × 192,517.20 - Step 4: Simplify right side
458,767.44x = 132,474,385,064.81 - Step 5: Solve for x
x = 132,474,385,064.81/458,767.44 - Step 6: Final answer
x = 288,761.52
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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.