Home / 280,624.33-420,940.14-93,635.83

Finding the Fourth Proportional to 280,624.33, 420,940.14 and 93,635.83

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Solution

The fourth proportional to 280,624.33, 420,940.14 and 93,635.83 is: 140,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,624.33 : 420,940.14 = 93,635.83 : x
  2. Step 2: Convert to fraction form
    280,624.33/420,940.14 = 93,635.83/x
  3. Step 3: Cross multiply
    280,624.33x = 420,940.14 × 93,635.83
  4. Step 4: Simplify right side
    280,624.33x = 39,415,078,336.87
  5. Step 5: Solve for x
    x = 39,415,078,336.87/280,624.33
  6. Step 6: Final answer
    x = 140,454.96

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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.