Home / 254,246.06-381,358.15-76,747.77

Finding the Fourth Proportional to 254,246.06, 381,358.15 and 76,747.77

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Solution

The fourth proportional to 254,246.06, 381,358.15 and 76,747.77 is: 115,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,246.06 : 381,358.15 = 76,747.77 : x
  2. Step 2: Convert to fraction form
    254,246.06/381,358.15 = 76,747.77/x
  3. Step 3: Cross multiply
    254,246.06x = 381,358.15 × 76,747.77
  4. Step 4: Simplify right side
    254,246.06x = 29,268,387,391.96
  5. Step 5: Solve for x
    x = 29,268,387,391.96/254,246.06
  6. Step 6: Final answer
    x = 115,118.35

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1.5x scale

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.