Home / 227,025.40-340,295.10-77,126.80

Finding the Fourth Proportional to 227,025.40, 340,295.10 and 77,126.80

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Solution

The fourth proportional to 227,025.40, 340,295.10 and 77,126.80 is: 115,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,025.40 : 340,295.10 = 77,126.80 : x
  2. Step 2: Convert to fraction form
    227,025.40/340,295.10 = 77,126.80/x
  3. Step 3: Cross multiply
    227,025.40x = 340,295.10 × 77,126.80
  4. Step 4: Simplify right side
    227,025.40x = 26,245,872,118.68
  5. Step 5: Solve for x
    x = 26,245,872,118.68/227,025.40
  6. Step 6: Final answer
    x = 115,607.65

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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.