Home / 349,444.78-481,043.76-258,629.61

Finding the Fourth Proportional to 349,444.78, 481,043.76 and 258,629.61

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Solution

The fourth proportional to 349,444.78, 481,043.76 and 258,629.61 is: 356,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,444.78 : 481,043.76 = 258,629.61 : x
  2. Step 2: Convert to fraction form
    349,444.78/481,043.76 = 258,629.61/x
  3. Step 3: Cross multiply
    349,444.78x = 481,043.76 × 258,629.61
  4. Step 4: Simplify right side
    349,444.78x = 124,412,160,041.73
  5. Step 5: Solve for x
    x = 124,412,160,041.73/349,444.78
  6. Step 6: Final answer
    x = 356,028.10

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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.