Home / 254,222.20-381,722.10-149,246.20

Finding the Fourth Proportional to 254,222.20, 381,722.10 and 149,246.20

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Solution

The fourth proportional to 254,222.20, 381,722.10 and 149,246.20 is: 224,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,222.20 : 381,722.10 = 149,246.20 : x
  2. Step 2: Convert to fraction form
    254,222.20/381,722.10 = 149,246.20/x
  3. Step 3: Cross multiply
    254,222.20x = 381,722.10 × 149,246.20
  4. Step 4: Simplify right side
    254,222.20x = 56,970,572,881.02
  5. Step 5: Solve for x
    x = 56,970,572,881.02/254,222.20
  6. Step 6: Final answer
    x = 224,097.55

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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.