Home / 272,472.56-408,709.07-130,284.38

Finding the Fourth Proportional to 272,472.56, 408,709.07 and 130,284.38

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Solution

The fourth proportional to 272,472.56, 408,709.07 and 130,284.38 is: 195,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,472.56 : 408,709.07 = 130,284.38 : x
  2. Step 2: Convert to fraction form
    272,472.56/408,709.07 = 130,284.38/x
  3. Step 3: Cross multiply
    272,472.56x = 408,709.07 × 130,284.38
  4. Step 4: Simplify right side
    272,472.56x = 53,248,407,785.33
  5. Step 5: Solve for x
    x = 53,248,407,785.33/272,472.56
  6. Step 6: Final answer
    x = 195,426.68

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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.