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Finding the Fourth Proportional to 270,011.80, 404,823.30 and 151,719.40

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Solution

The fourth proportional to 270,011.80, 404,823.30 and 151,719.40 is: 227,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,011.80 : 404,823.30 = 151,719.40 : x
  2. Step 2: Convert to fraction form
    270,011.80/404,823.30 = 151,719.40/x
  3. Step 3: Cross multiply
    270,011.80x = 404,823.30 × 151,719.40
  4. Step 4: Simplify right side
    270,011.80x = 61,419,548,182.02
  5. Step 5: Solve for x
    x = 61,419,548,182.02/270,011.80
  6. Step 6: Final answer
    x = 227,469.87

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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.