Home / 302,115.20-452,654.40-144,003.20

Finding the Fourth Proportional to 302,115.20, 452,654.40 and 144,003.20

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Solution

The fourth proportional to 302,115.20, 452,654.40 and 144,003.20 is: 215,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,115.20 : 452,654.40 = 144,003.20 : x
  2. Step 2: Convert to fraction form
    302,115.20/452,654.40 = 144,003.20/x
  3. Step 3: Cross multiply
    302,115.20x = 452,654.40 × 144,003.20
  4. Step 4: Simplify right side
    302,115.20x = 65,183,682,094.08
  5. Step 5: Solve for x
    x = 65,183,682,094.08/302,115.20
  6. Step 6: Final answer
    x = 215,757.70

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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.