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Finding the Fourth Proportional to 302,469.60, 453,704.40 and 231,610.80

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Solution

The fourth proportional to 302,469.60, 453,704.40 and 231,610.80 is: 347,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,469.60 : 453,704.40 = 231,610.80 : x
  2. Step 2: Convert to fraction form
    302,469.60/453,704.40 = 231,610.80/x
  3. Step 3: Cross multiply
    302,469.60x = 453,704.40 × 231,610.80
  4. Step 4: Simplify right side
    302,469.60x = 105,082,839,047.52
  5. Step 5: Solve for x
    x = 105,082,839,047.52/302,469.60
  6. Step 6: Final answer
    x = 347,416.20

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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.