Home / 358,376.20-494,559.24-197,231.20

Finding the Fourth Proportional to 358,376.20, 494,559.24 and 197,231.20

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Solution

The fourth proportional to 358,376.20, 494,559.24 and 197,231.20 is: 272,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,376.20 : 494,559.24 = 197,231.20 : x
  2. Step 2: Convert to fraction form
    358,376.20/494,559.24 = 197,231.20/x
  3. Step 3: Cross multiply
    358,376.20x = 494,559.24 × 197,231.20
  4. Step 4: Simplify right side
    358,376.20x = 97,542,512,376.29
  5. Step 5: Solve for x
    x = 97,542,512,376.29/358,376.20
  6. Step 6: Final answer
    x = 272,179.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.