Home / 259,983.97-358,780.25-152,555.79

Finding the Fourth Proportional to 259,983.97, 358,780.25 and 152,555.79

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Solution

The fourth proportional to 259,983.97, 358,780.25 and 152,555.79 is: 210,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,983.97 : 358,780.25 = 152,555.79 : x
  2. Step 2: Convert to fraction form
    259,983.97/358,780.25 = 152,555.79/x
  3. Step 3: Cross multiply
    259,983.97x = 358,780.25 × 152,555.79
  4. Step 4: Simplify right side
    259,983.97x = 54,734,004,475.15
  5. Step 5: Solve for x
    x = 54,734,004,475.15/259,983.97
  6. Step 6: Final answer
    x = 210,528.38

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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.