Home / 258,380.47-356,540.83-239,337.10

Finding the Fourth Proportional to 258,380.47, 356,540.83 and 239,337.10

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Solution

The fourth proportional to 258,380.47, 356,540.83 and 239,337.10 is: 330,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,380.47 : 356,540.83 = 239,337.10 : x
  2. Step 2: Convert to fraction form
    258,380.47/356,540.83 = 239,337.10/x
  3. Step 3: Cross multiply
    258,380.47x = 356,540.83 × 239,337.10
  4. Step 4: Simplify right side
    258,380.47x = 85,333,448,283.79
  5. Step 5: Solve for x
    x = 85,333,448,283.79/258,380.47
  6. Step 6: Final answer
    x = 330,262.76

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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.