Finding the Fourth Proportional to 542,708.20, 814,101.17 and 143,344.99
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Solution
The fourth proportional to 542,708.20, 814,101.17 and 143,344.99 is: 215,027.75
Step by Step Solution
- Step 1: Write the proportion equation
542,708.20 : 814,101.17 = 143,344.99 : x - Step 2: Convert to fraction form
542,708.20/814,101.17 = 143,344.99/x - Step 3: Cross multiply
542,708.20x = 814,101.17 × 143,344.99 - Step 4: Simplify right side
542,708.20x = 116,697,324,072.64 - Step 5: Solve for x
x = 116,697,324,072.64/542,708.20 - Step 6: Final answer
x = 215,027.75
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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.