Home / 254,606.22-381,980.82-74,695.90

Finding the Fourth Proportional to 254,606.22, 381,980.82 and 74,695.90

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Solution

The fourth proportional to 254,606.22, 381,980.82 and 74,695.90 is: 112,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,606.22 : 381,980.82 = 74,695.90 : x
  2. Step 2: Convert to fraction form
    254,606.22/381,980.82 = 74,695.90/x
  3. Step 3: Cross multiply
    254,606.22x = 381,980.82 × 74,695.90
  4. Step 4: Simplify right side
    254,606.22x = 28,532,401,132.64
  5. Step 5: Solve for x
    x = 28,532,401,132.64/254,606.22
  6. Step 6: Final answer
    x = 112,064.82

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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.