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Finding the Fourth Proportional to 302,489.10, 453,733.65 and 231,630.30

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Solution

The fourth proportional to 302,489.10, 453,733.65 and 231,630.30 is: 347,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,489.10 : 453,733.65 = 231,630.30 : x
  2. Step 2: Convert to fraction form
    302,489.10/453,733.65 = 231,630.30/x
  3. Step 3: Cross multiply
    302,489.10x = 453,733.65 × 231,630.30
  4. Step 4: Simplify right side
    302,489.10x = 105,098,461,469.60
  5. Step 5: Solve for x
    x = 105,098,461,469.60/302,489.10
  6. Step 6: Final answer
    x = 347,445.45

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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.