Home / 307,441.32-424,265.22-173,305.32

Finding the Fourth Proportional to 307,441.32, 424,265.22 and 173,305.32

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Solution

The fourth proportional to 307,441.32, 424,265.22 and 173,305.32 is: 239,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,441.32 : 424,265.22 = 173,305.32 : x
  2. Step 2: Convert to fraction form
    307,441.32/424,265.22 = 173,305.32/x
  3. Step 3: Cross multiply
    307,441.32x = 424,265.22 × 173,305.32
  4. Step 4: Simplify right side
    307,441.32x = 73,527,419,716.97
  5. Step 5: Solve for x
    x = 73,527,419,716.97/307,441.32
  6. Step 6: Final answer
    x = 239,159.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.