Home / 421,968.28-582,321.74-230,977.60

Finding the Fourth Proportional to 421,968.28, 582,321.74 and 230,977.60

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Solution

The fourth proportional to 421,968.28, 582,321.74 and 230,977.60 is: 318,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,968.28 : 582,321.74 = 230,977.60 : x
  2. Step 2: Convert to fraction form
    421,968.28/582,321.74 = 230,977.60/x
  3. Step 3: Cross multiply
    421,968.28x = 582,321.74 × 230,977.60
  4. Step 4: Simplify right side
    421,968.28x = 134,503,277,933.02
  5. Step 5: Solve for x
    x = 134,503,277,933.02/421,968.28
  6. Step 6: Final answer
    x = 318,752.11

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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.