Home / 259,829.46-387,342.43-255,734.66

Finding the Fourth Proportional to 259,829.46, 387,342.43 and 255,734.66

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Solution

The fourth proportional to 259,829.46, 387,342.43 and 255,734.66 is: 381,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,829.46 : 387,342.43 = 255,734.66 : x
  2. Step 2: Convert to fraction form
    259,829.46/387,342.43 = 255,734.66/x
  3. Step 3: Cross multiply
    259,829.46x = 387,342.43 × 255,734.66
  4. Step 4: Simplify right side
    259,829.46x = 99,056,885,927.65
  5. Step 5: Solve for x
    x = 99,056,885,927.65/259,829.46
  6. Step 6: Final answer
    x = 381,238.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.