Home / 225,002.12-310,503.20-123,028.02

Finding the Fourth Proportional to 225,002.12, 310,503.20 and 123,028.02

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Solution

The fourth proportional to 225,002.12, 310,503.20 and 123,028.02 is: 169,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,002.12 : 310,503.20 = 123,028.02 : x
  2. Step 2: Convert to fraction form
    225,002.12/310,503.20 = 123,028.02/x
  3. Step 3: Cross multiply
    225,002.12x = 310,503.20 × 123,028.02
  4. Step 4: Simplify right side
    225,002.12x = 38,200,593,284.52
  5. Step 5: Solve for x
    x = 38,200,593,284.52/225,002.12
  6. Step 6: Final answer
    x = 169,778.82

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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.