Home / 227,285.16-313,655.60-125,314.28

Finding the Fourth Proportional to 227,285.16, 313,655.60 and 125,314.28

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Solution

The fourth proportional to 227,285.16, 313,655.60 and 125,314.28 is: 172,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,285.16 : 313,655.60 = 125,314.28 : x
  2. Step 2: Convert to fraction form
    227,285.16/313,655.60 = 125,314.28/x
  3. Step 3: Cross multiply
    227,285.16x = 313,655.60 × 125,314.28
  4. Step 4: Simplify right side
    227,285.16x = 39,305,525,681.97
  5. Step 5: Solve for x
    x = 39,305,525,681.97/227,285.16
  6. Step 6: Final answer
    x = 172,934.85

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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.