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Finding the Fourth Proportional to 279,275.52, 418,913.28 and 229,923.84

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Solution

The fourth proportional to 279,275.52, 418,913.28 and 229,923.84 is: 344,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,275.52 : 418,913.28 = 229,923.84 : x
  2. Step 2: Convert to fraction form
    279,275.52/418,913.28 = 229,923.84/x
  3. Step 3: Cross multiply
    279,275.52x = 418,913.28 × 229,923.84
  4. Step 4: Simplify right side
    279,275.52x = 96,318,149,964.60
  5. Step 5: Solve for x
    x = 96,318,149,964.60/279,275.52
  6. Step 6: Final answer
    x = 344,885.76

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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.