Home / 254,460.20-381,690.30-223,356.20

Finding the Fourth Proportional to 254,460.20, 381,690.30 and 223,356.20

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Solution

The fourth proportional to 254,460.20, 381,690.30 and 223,356.20 is: 335,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,460.20 : 381,690.30 = 223,356.20 : x
  2. Step 2: Convert to fraction form
    254,460.20/381,690.30 = 223,356.20/x
  3. Step 3: Cross multiply
    254,460.20x = 381,690.30 × 223,356.20
  4. Step 4: Simplify right side
    254,460.20x = 85,252,894,984.86
  5. Step 5: Solve for x
    x = 85,252,894,984.86/254,460.20
  6. Step 6: Final answer
    x = 335,034.30

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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.