Home / 336,121.20-504,279.72-99,470.16

Finding the Fourth Proportional to 336,121.20, 504,279.72 and 99,470.16

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Solution

The fourth proportional to 336,121.20, 504,279.72 and 99,470.16 is: 149,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,121.20 : 504,279.72 = 99,470.16 : x
  2. Step 2: Convert to fraction form
    336,121.20/504,279.72 = 99,470.16/x
  3. Step 3: Cross multiply
    336,121.20x = 504,279.72 × 99,470.16
  4. Step 4: Simplify right side
    336,121.20x = 50,160,784,433.16
  5. Step 5: Solve for x
    x = 50,160,784,433.16/336,121.20
  6. Step 6: Final answer
    x = 149,234.22

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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.