Home / 280,632.24-420,951.96-93,643.74

Finding the Fourth Proportional to 280,632.24, 420,951.96 and 93,643.74

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Solution

The fourth proportional to 280,632.24, 420,951.96 and 93,643.74 is: 140,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,632.24 : 420,951.96 = 93,643.74 : x
  2. Step 2: Convert to fraction form
    280,632.24/420,951.96 = 93,643.74/x
  3. Step 3: Cross multiply
    280,632.24x = 420,951.96 × 93,643.74
  4. Step 4: Simplify right side
    280,632.24x = 39,419,515,894.73
  5. Step 5: Solve for x
    x = 39,419,515,894.73/280,632.24
  6. Step 6: Final answer
    x = 140,466.81

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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.