Home / 227,438.10-340,501.05-138,864.60

Finding the Fourth Proportional to 227,438.10, 340,501.05 and 138,864.60

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Solution

The fourth proportional to 227,438.10, 340,501.05 and 138,864.60 is: 207,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,438.10 : 340,501.05 = 138,864.60 : x
  2. Step 2: Convert to fraction form
    227,438.10/340,501.05 = 138,864.60/x
  3. Step 3: Cross multiply
    227,438.10x = 340,501.05 × 138,864.60
  4. Step 4: Simplify right side
    227,438.10x = 47,283,542,107.83
  5. Step 5: Solve for x
    x = 47,283,542,107.83/227,438.10
  6. Step 6: Final answer
    x = 207,896.31

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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.