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Finding the Fourth Proportional to 437,987.76, 656,777.20 and 227,569.20

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Solution

The fourth proportional to 437,987.76, 656,777.20 and 227,569.20 is: 341,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,987.76 : 656,777.20 = 227,569.20 : x
  2. Step 2: Convert to fraction form
    437,987.76/656,777.20 = 227,569.20/x
  3. Step 3: Cross multiply
    437,987.76x = 656,777.20 × 227,569.20
  4. Step 4: Simplify right side
    437,987.76x = 149,462,261,982.24
  5. Step 5: Solve for x
    x = 149,462,261,982.24/437,987.76
  6. Step 6: Final answer
    x = 341,247.58

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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.