Home / 254,310.24-381,501.04-76,797.12

Finding the Fourth Proportional to 254,310.24, 381,501.04 and 76,797.12

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Solution

The fourth proportional to 254,310.24, 381,501.04 and 76,797.12 is: 115,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,310.24 : 381,501.04 = 76,797.12 : x
  2. Step 2: Convert to fraction form
    254,310.24/381,501.04 = 76,797.12/x
  3. Step 3: Cross multiply
    254,310.24x = 381,501.04 × 76,797.12
  4. Step 4: Simplify right side
    254,310.24x = 29,298,181,149.00
  5. Step 5: Solve for x
    x = 29,298,181,149.00/254,310.24
  6. Step 6: Final answer
    x = 115,206.45

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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.