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Finding the Fourth Proportional to 392,279.64, 588,290.67 and 125,977.16

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Solution

The fourth proportional to 392,279.64, 588,290.67 and 125,977.16 is: 188,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279.64 : 588,290.67 = 125,977.16 : x
  2. Step 2: Convert to fraction form
    392,279.64/588,290.67 = 125,977.16/x
  3. Step 3: Cross multiply
    392,279.64x = 588,290.67 × 125,977.16
  4. Step 4: Simplify right side
    392,279.64x = 74,111,184,919.64
  5. Step 5: Solve for x
    x = 74,111,184,919.64/392,279.64
  6. Step 6: Final answer
    x = 188,924.37

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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.