Finding the Fourth Proportional to 542,711.70, 814,106.42 and 143,348.49
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Solution
The fourth proportional to 542,711.70, 814,106.42 and 143,348.49 is: 215,033.00
Step by Step Solution
- Step 1: Write the proportion equation
542,711.70 : 814,106.42 = 143,348.49 : x - Step 2: Convert to fraction form
542,711.70/814,106.42 = 143,348.49/x - Step 3: Cross multiply
542,711.70x = 814,106.42 × 143,348.49 - Step 4: Simplify right side
542,711.70x = 116,700,926,006.31 - Step 5: Solve for x
x = 116,700,926,006.31/542,711.70 - Step 6: Final answer
x = 215,033.00
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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.