Home / 402,299.20-603,837.60-202,844.80

Finding the Fourth Proportional to 402,299.20, 603,837.60 and 202,844.80

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Solution

The fourth proportional to 402,299.20, 603,837.60 and 202,844.80 is: 304,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,299.20 : 603,837.60 = 202,844.80 : x
  2. Step 2: Convert to fraction form
    402,299.20/603,837.60 = 202,844.80/x
  3. Step 3: Cross multiply
    402,299.20x = 603,837.60 × 202,844.80
  4. Step 4: Simplify right side
    402,299.20x = 122,485,317,204.48
  5. Step 5: Solve for x
    x = 122,485,317,204.48/402,299.20
  6. Step 6: Final answer
    x = 304,463.24

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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.