Home / 251,758.28-377,507.40-74,242.72

Finding the Fourth Proportional to 251,758.28, 377,507.40 and 74,242.72

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Solution

The fourth proportional to 251,758.28, 377,507.40 and 74,242.72 is: 111,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,758.28 : 377,507.40 = 74,242.72 : x
  2. Step 2: Convert to fraction form
    251,758.28/377,507.40 = 74,242.72/x
  3. Step 3: Cross multiply
    251,758.28x = 377,507.40 × 74,242.72
  4. Step 4: Simplify right side
    251,758.28x = 28,027,176,196.13
  5. Step 5: Solve for x
    x = 28,027,176,196.13/251,758.28
  6. Step 6: Final answer
    x = 111,325.74

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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.