Home / 254,260.56-381,393.60-76,769.04

Finding the Fourth Proportional to 254,260.56, 381,393.60 and 76,769.04

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Solution

The fourth proportional to 254,260.56, 381,393.60 and 76,769.04 is: 115,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,260.56 : 381,393.60 = 76,769.04 : x
  2. Step 2: Convert to fraction form
    254,260.56/381,393.60 = 76,769.04/x
  3. Step 3: Cross multiply
    254,260.56x = 381,393.60 × 76,769.04
  4. Step 4: Simplify right side
    254,260.56x = 29,279,220,534.14
  5. Step 5: Solve for x
    x = 29,279,220,534.14/254,260.56
  6. Step 6: Final answer
    x = 115,154.39

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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.