Finding the Fourth Proportional to 391,252.14, 586,481.18 and 222,423.71
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Solution
The fourth proportional to 391,252.14, 586,481.18 and 222,423.71 is: 333,409.85
Step by Step Solution
- Step 1: Write the proportion equation
391,252.14 : 586,481.18 = 222,423.71 : x - Step 2: Convert to fraction form
391,252.14/586,481.18 = 222,423.71/x - Step 3: Cross multiply
391,252.14x = 586,481.18 × 222,423.71 - Step 4: Simplify right side
391,252.14x = 130,447,315,856.25 - Step 5: Solve for x
x = 130,447,315,856.25/391,252.14 - Step 6: Final answer
x = 333,409.85
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1.5x scale
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.