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Finding the Fourth Proportional to 302,523.60, 453,785.40 and 231,664.80

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Solution

The fourth proportional to 302,523.60, 453,785.40 and 231,664.80 is: 347,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,523.60 : 453,785.40 = 231,664.80 : x
  2. Step 2: Convert to fraction form
    302,523.60/453,785.40 = 231,664.80/x
  3. Step 3: Cross multiply
    302,523.60x = 453,785.40 × 231,664.80
  4. Step 4: Simplify right side
    302,523.60x = 105,126,103,933.92
  5. Step 5: Solve for x
    x = 105,126,103,933.92/302,523.60
  6. Step 6: Final answer
    x = 347,497.20

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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.