Home / 402,284.20-603,815.10-202,829.80

Finding the Fourth Proportional to 402,284.20, 603,815.10 and 202,829.80

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Solution

The fourth proportional to 402,284.20, 603,815.10 and 202,829.80 is: 304,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,284.20 : 603,815.10 = 202,829.80 : x
  2. Step 2: Convert to fraction form
    402,284.20/603,815.10 = 202,829.80/x
  3. Step 3: Cross multiply
    402,284.20x = 603,815.10 × 202,829.80
  4. Step 4: Simplify right side
    402,284.20x = 122,471,695,969.98
  5. Step 5: Solve for x
    x = 122,471,695,969.98/402,284.20
  6. Step 6: Final answer
    x = 304,440.73

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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.