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Finding the Fourth Proportional to 302,997.60, 454,107.60 and 144,885.60

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Solution

The fourth proportional to 302,997.60, 454,107.60 and 144,885.60 is: 217,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,997.60 : 454,107.60 = 144,885.60 : x
  2. Step 2: Convert to fraction form
    302,997.60/454,107.60 = 144,885.60/x
  3. Step 3: Cross multiply
    302,997.60x = 454,107.60 × 144,885.60
  4. Step 4: Simplify right side
    302,997.60x = 65,793,652,090.56
  5. Step 5: Solve for x
    x = 65,793,652,090.56/302,997.60
  6. Step 6: Final answer
    x = 217,142.49

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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.