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Finding the Fourth Proportional to 487,141.77, 730,785.56 and 150,154.41

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Solution

The fourth proportional to 487,141.77, 730,785.56 and 150,154.41 is: 225,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,141.77 : 730,785.56 = 150,154.41 : x
  2. Step 2: Convert to fraction form
    487,141.77/730,785.56 = 150,154.41/x
  3. Step 3: Cross multiply
    487,141.77x = 730,785.56 × 150,154.41
  4. Step 4: Simplify right side
    487,141.77x = 109,730,673,847.55
  5. Step 5: Solve for x
    x = 109,730,673,847.55/487,141.77
  6. Step 6: Final answer
    x = 225,254.09

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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.