Home / 421,934.20-582,246.66-230,910.64

Finding the Fourth Proportional to 421,934.20, 582,246.66 and 230,910.64

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Solution

The fourth proportional to 421,934.20, 582,246.66 and 230,910.64 is: 318,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,934.20 : 582,246.66 = 230,910.64 : x
  2. Step 2: Convert to fraction form
    421,934.20/582,246.66 = 230,910.64/x
  3. Step 3: Cross multiply
    421,934.20x = 582,246.66 × 230,910.64
  4. Step 4: Simplify right side
    421,934.20x = 134,446,948,898.46
  5. Step 5: Solve for x
    x = 134,446,948,898.46/421,934.20
  6. Step 6: Final answer
    x = 318,644.35

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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.