Home / 421,942.20-582,296.25-240,683.64

Finding the Fourth Proportional to 421,942.20, 582,296.25 and 240,683.64

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Solution

The fourth proportional to 421,942.20, 582,296.25 and 240,683.64 is: 332,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,942.20 : 582,296.25 = 240,683.64 : x
  2. Step 2: Convert to fraction form
    421,942.20/582,296.25 = 240,683.64/x
  3. Step 3: Cross multiply
    421,942.20x = 582,296.25 × 240,683.64
  4. Step 4: Simplify right side
    421,942.20x = 140,149,181,008.35
  5. Step 5: Solve for x
    x = 140,149,181,008.35/421,942.20
  6. Step 6: Final answer
    x = 332,152.56

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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.