Home / 402,829.60-603,553.20-192,013.60

Finding the Fourth Proportional to 402,829.60, 603,553.20 and 192,013.60

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Solution

The fourth proportional to 402,829.60, 603,553.20 and 192,013.60 is: 287,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,829.60 : 603,553.20 = 192,013.60 : x
  2. Step 2: Convert to fraction form
    402,829.60/603,553.20 = 192,013.60/x
  3. Step 3: Cross multiply
    402,829.60x = 603,553.20 × 192,013.60
  4. Step 4: Simplify right side
    402,829.60x = 115,890,422,723.52
  5. Step 5: Solve for x
    x = 115,890,422,723.52/402,829.60
  6. Step 6: Final answer
    x = 287,690.93

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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.