Home / 294,522.30-442,002.15-117,156.60

Finding the Fourth Proportional to 294,522.30, 442,002.15 and 117,156.60

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Solution

The fourth proportional to 294,522.30, 442,002.15 and 117,156.60 is: 175,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,522.30 : 442,002.15 = 117,156.60 : x
  2. Step 2: Convert to fraction form
    294,522.30/442,002.15 = 117,156.60/x
  3. Step 3: Cross multiply
    294,522.30x = 442,002.15 × 117,156.60
  4. Step 4: Simplify right side
    294,522.30x = 51,783,469,086.69
  5. Step 5: Solve for x
    x = 51,783,469,086.69/294,522.30
  6. Step 6: Final answer
    x = 175,821.90

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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.