Home / 254,216.01-381,326.58-76,724.49

Finding the Fourth Proportional to 254,216.01, 381,326.58 and 76,724.49

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Solution

The fourth proportional to 254,216.01, 381,326.58 and 76,724.49 is: 115,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,216.01 : 381,326.58 = 76,724.49 : x
  2. Step 2: Convert to fraction form
    254,216.01/381,326.58 = 76,724.49/x
  3. Step 3: Cross multiply
    254,216.01x = 381,326.58 × 76,724.49
  4. Step 4: Simplify right side
    254,216.01x = 29,257,087,373.94
  5. Step 5: Solve for x
    x = 29,257,087,373.94/254,216.01
  6. Step 6: Final answer
    x = 115,087.51

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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.