Home / 227,282.10-340,920.89-87,040.73

Finding the Fourth Proportional to 227,282.10, 340,920.89 and 87,040.73

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Solution

The fourth proportional to 227,282.10, 340,920.89 and 87,040.73 is: 130,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,282.10 : 340,920.89 = 87,040.73 : x
  2. Step 2: Convert to fraction form
    227,282.10/340,920.89 = 87,040.73/x
  3. Step 3: Cross multiply
    227,282.10x = 340,920.89 × 87,040.73
  4. Step 4: Simplify right side
    227,282.10x = 29,674,000,998.04
  5. Step 5: Solve for x
    x = 29,674,000,998.04/227,282.10
  6. Step 6: Final answer
    x = 130,560.22

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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.