Home / 198,834.88-298,252.28-72,484.60

Finding the Fourth Proportional to 198,834.88, 298,252.28 and 72,484.60

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Solution

The fourth proportional to 198,834.88, 298,252.28 and 72,484.60 is: 108,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,834.88 : 298,252.28 = 72,484.60 : x
  2. Step 2: Convert to fraction form
    198,834.88/298,252.28 = 72,484.60/x
  3. Step 3: Cross multiply
    198,834.88x = 298,252.28 × 72,484.60
  4. Step 4: Simplify right side
    198,834.88x = 21,618,697,214.89
  5. Step 5: Solve for x
    x = 21,618,697,214.89/198,834.88
  6. Step 6: Final answer
    x = 108,726.89

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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.