Home / 257,540.45-386,474.70-150,924.20

Finding the Fourth Proportional to 257,540.45, 386,474.70 and 150,924.20

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Solution

The fourth proportional to 257,540.45, 386,474.70 and 150,924.20 is: 226,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,540.45 : 386,474.70 = 150,924.20 : x
  2. Step 2: Convert to fraction form
    257,540.45/386,474.70 = 150,924.20/x
  3. Step 3: Cross multiply
    257,540.45x = 386,474.70 × 150,924.20
  4. Step 4: Simplify right side
    257,540.45x = 58,328,384,917.74
  5. Step 5: Solve for x
    x = 58,328,384,917.74/257,540.45
  6. Step 6: Final answer
    x = 226,482.42

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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.