Finding the Fourth Proportional to 453,385.62, 679,931.46 and 149,711.58
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Solution
The fourth proportional to 453,385.62, 679,931.46 and 149,711.58 is: 224,518.84
Step by Step Solution
- Step 1: Write the proportion equation
453,385.62 : 679,931.46 = 149,711.58 : x - Step 2: Convert to fraction form
453,385.62/679,931.46 = 149,711.58/x - Step 3: Cross multiply
453,385.62x = 679,931.46 × 149,711.58 - Step 4: Simplify right side
453,385.62x = 101,793,613,168.31 - Step 5: Solve for x
x = 101,793,613,168.31/453,385.62 - Step 6: Final answer
x = 224,518.84
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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.