Home / 281,027.10-421,540.65-251,502.60

Finding the Fourth Proportional to 281,027.10, 421,540.65 and 251,502.60

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Solution

The fourth proportional to 281,027.10, 421,540.65 and 251,502.60 is: 377,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,027.10 : 421,540.65 = 251,502.60 : x
  2. Step 2: Convert to fraction form
    281,027.10/421,540.65 = 251,502.60/x
  3. Step 3: Cross multiply
    281,027.10x = 421,540.65 × 251,502.60
  4. Step 4: Simplify right side
    281,027.10x = 106,018,569,480.69
  5. Step 5: Solve for x
    x = 106,018,569,480.69/281,027.10
  6. Step 6: Final answer
    x = 377,253.90

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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.