Finding the Fourth Proportional to 558,753.20, 838,129.80 and 204,021.80
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Solution
The fourth proportional to 558,753.20, 838,129.80 and 204,021.80 is: 306,032.70
Step by Step Solution
- Step 1: Write the proportion equation
558,753.20 : 838,129.80 = 204,021.80 : x - Step 2: Convert to fraction form
558,753.20/838,129.80 = 204,021.80/x - Step 3: Cross multiply
558,753.20x = 838,129.80 × 204,021.80 - Step 4: Simplify right side
558,753.20x = 170,996,750,429.64 - Step 5: Solve for x
x = 170,996,750,429.64/558,753.20 - Step 6: Final answer
x = 306,032.70
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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.