Finding the Fourth Proportional to 623,134.41, 934,701.62 and 149,819.78
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Solution
The fourth proportional to 623,134.41, 934,701.62 and 149,819.78 is: 224,729.66
Step by Step Solution
- Step 1: Write the proportion equation
623,134.41 : 934,701.62 = 149,819.78 : x - Step 2: Convert to fraction form
623,134.41/934,701.62 = 149,819.78/x - Step 3: Cross multiply
623,134.41x = 934,701.62 × 149,819.78 - Step 4: Simplify right side
623,134.41x = 140,036,785,651.44 - Step 5: Solve for x
x = 140,036,785,651.44/623,134.41 - Step 6: Final answer
x = 224,729.66
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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.