Home / 227,221.56-313,541.28-125,242.20

Finding the Fourth Proportional to 227,221.56, 313,541.28 and 125,242.20

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Solution

The fourth proportional to 227,221.56, 313,541.28 and 125,242.20 is: 172,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,221.56 : 313,541.28 = 125,242.20 : x
  2. Step 2: Convert to fraction form
    227,221.56/313,541.28 = 125,242.20/x
  3. Step 3: Cross multiply
    227,221.56x = 313,541.28 × 125,242.20
  4. Step 4: Simplify right side
    227,221.56x = 39,268,599,698.02
  5. Step 5: Solve for x
    x = 39,268,599,698.02/227,221.56
  6. Step 6: Final answer
    x = 172,820.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.