Home / 227,259.60-340,233.30-138,686.10

Finding the Fourth Proportional to 227,259.60, 340,233.30 and 138,686.10

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Solution

The fourth proportional to 227,259.60, 340,233.30 and 138,686.10 is: 207,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,259.60 : 340,233.30 = 138,686.10 : x
  2. Step 2: Convert to fraction form
    227,259.60/340,233.30 = 138,686.10/x
  3. Step 3: Cross multiply
    227,259.60x = 340,233.30 × 138,686.10
  4. Step 4: Simplify right side
    227,259.60x = 47,185,629,467.13
  5. Step 5: Solve for x
    x = 47,185,629,467.13/227,259.60
  6. Step 6: Final answer
    x = 207,628.76

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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.