Home / 251,637.12-347,144.78-149,604.69

Finding the Fourth Proportional to 251,637.12, 347,144.78 and 149,604.69

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Solution

The fourth proportional to 251,637.12, 347,144.78 and 149,604.69 is: 206,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,637.12 : 347,144.78 = 149,604.69 : x
  2. Step 2: Convert to fraction form
    251,637.12/347,144.78 = 149,604.69/x
  3. Step 3: Cross multiply
    251,637.12x = 347,144.78 × 149,604.69
  4. Step 4: Simplify right side
    251,637.12x = 51,934,488,872.82
  5. Step 5: Solve for x
    x = 51,934,488,872.82/251,637.12
  6. Step 6: Final answer
    x = 206,386.44

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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.