Home / 402,006.24-603,140.40-202,223.52

Finding the Fourth Proportional to 402,006.24, 603,140.40 and 202,223.52

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Solution

The fourth proportional to 402,006.24, 603,140.40 and 202,223.52 is: 303,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,006.24 : 603,140.40 = 202,223.52 : x
  2. Step 2: Convert to fraction form
    402,006.24/603,140.40 = 202,223.52/x
  3. Step 3: Cross multiply
    402,006.24x = 603,140.40 × 202,223.52
  4. Step 4: Simplify right side
    402,006.24x = 121,969,174,742.21
  5. Step 5: Solve for x
    x = 121,969,174,742.21/402,006.24
  6. Step 6: Final answer
    x = 303,401.20

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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.