Home / 221,178.24-331,767.36-73,434.24

Finding the Fourth Proportional to 221,178.24, 331,767.36 and 73,434.24

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Solution

The fourth proportional to 221,178.24, 331,767.36 and 73,434.24 is: 110,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,178.24 : 331,767.36 = 73,434.24 : x
  2. Step 2: Convert to fraction form
    221,178.24/331,767.36 = 73,434.24/x
  3. Step 3: Cross multiply
    221,178.24x = 331,767.36 × 73,434.24
  4. Step 4: Simplify right side
    221,178.24x = 24,363,083,938.41
  5. Step 5: Solve for x
    x = 24,363,083,938.41/221,178.24
  6. Step 6: Final answer
    x = 110,151.36

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1.5x scale

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.