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Finding the Fourth Proportional to 302,755.60, 454,133.40 and 144,902.80

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Solution

The fourth proportional to 302,755.60, 454,133.40 and 144,902.80 is: 217,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,755.60 : 454,133.40 = 144,902.80 : x
  2. Step 2: Convert to fraction form
    302,755.60/454,133.40 = 144,902.80/x
  3. Step 3: Cross multiply
    302,755.60x = 454,133.40 × 144,902.80
  4. Step 4: Simplify right side
    302,755.60x = 65,805,201,233.52
  5. Step 5: Solve for x
    x = 65,805,201,233.52/302,755.60
  6. Step 6: Final answer
    x = 217,354.20

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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.