Home / 278,284.84-417,425.82-67,923.88

Finding the Fourth Proportional to 278,284.84, 417,425.82 and 67,923.88

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Solution

The fourth proportional to 278,284.84, 417,425.82 and 67,923.88 is: 101,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,284.84 : 417,425.82 = 67,923.88 : x
  2. Step 2: Convert to fraction form
    278,284.84/417,425.82 = 67,923.88/x
  3. Step 3: Cross multiply
    278,284.84x = 417,425.82 × 67,923.88
  4. Step 4: Simplify right side
    278,284.84x = 28,353,181,306.58
  5. Step 5: Solve for x
    x = 28,353,181,306.58/278,284.84
  6. Step 6: Final answer
    x = 101,885.47

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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.