Home / 251,178.28-375,141.59-227,438.38

Finding the Fourth Proportional to 251,178.28, 375,141.59 and 227,438.38

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Solution

The fourth proportional to 251,178.28, 375,141.59 and 227,438.38 is: 339,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,178.28 : 375,141.59 = 227,438.38 : x
  2. Step 2: Convert to fraction form
    251,178.28/375,141.59 = 227,438.38/x
  3. Step 3: Cross multiply
    251,178.28x = 375,141.59 × 227,438.38
  4. Step 4: Simplify right side
    251,178.28x = 85,321,595,500.22
  5. Step 5: Solve for x
    x = 85,321,595,500.22/251,178.28
  6. Step 6: Final answer
    x = 339,685.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.