Home / 402,028.08-603,022.32-149,357.76

Finding the Fourth Proportional to 402,028.08, 603,022.32 and 149,357.76

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Solution

The fourth proportional to 402,028.08, 603,022.32 and 149,357.76 is: 224,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,028.08 : 603,022.32 = 149,357.76 : x
  2. Step 2: Convert to fraction form
    402,028.08/603,022.32 = 149,357.76/x
  3. Step 3: Cross multiply
    402,028.08x = 603,022.32 × 149,357.76
  4. Step 4: Simplify right side
    402,028.08x = 90,066,062,945.20
  5. Step 5: Solve for x
    x = 90,066,062,945.20/402,028.08
  6. Step 6: Final answer
    x = 224,029.28

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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.