Home / 227,078.20-340,617.30-155,807.80

Finding the Fourth Proportional to 227,078.20, 340,617.30 and 155,807.80

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Solution

The fourth proportional to 227,078.20, 340,617.30 and 155,807.80 is: 233,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,078.20 : 340,617.30 = 155,807.80 : x
  2. Step 2: Convert to fraction form
    227,078.20/340,617.30 = 155,807.80/x
  3. Step 3: Cross multiply
    227,078.20x = 340,617.30 × 155,807.80
  4. Step 4: Simplify right side
    227,078.20x = 53,070,832,154.94
  5. Step 5: Solve for x
    x = 53,070,832,154.94/227,078.20
  6. Step 6: Final answer
    x = 233,711.70

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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.