Home / 402,289.20-603,822.60-202,834.80

Finding the Fourth Proportional to 402,289.20, 603,822.60 and 202,834.80

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Solution

The fourth proportional to 402,289.20, 603,822.60 and 202,834.80 is: 304,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,289.20 : 603,822.60 = 202,834.80 : x
  2. Step 2: Convert to fraction form
    402,289.20/603,822.60 = 202,834.80/x
  3. Step 3: Cross multiply
    402,289.20x = 603,822.60 × 202,834.80
  4. Step 4: Simplify right side
    402,289.20x = 122,476,236,306.48
  5. Step 5: Solve for x
    x = 122,476,236,306.48/402,289.20
  6. Step 6: Final answer
    x = 304,448.23

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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.