Finding the Fourth Proportional to 351,479.40, 527,219.10 and 335,149.80
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Solution
The fourth proportional to 351,479.40, 527,219.10 and 335,149.80 is: 502,724.70
Step by Step Solution
- Step 1: Write the proportion equation
351,479.40 : 527,219.10 = 335,149.80 : x - Step 2: Convert to fraction form
351,479.40/527,219.10 = 335,149.80/x - Step 3: Cross multiply
351,479.40x = 527,219.10 × 335,149.80 - Step 4: Simplify right side
351,479.40x = 176,697,375,921.18 - Step 5: Solve for x
x = 176,697,375,921.18/351,479.40 - Step 6: Final answer
x = 502,724.70
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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.