Home / 259,021.77-388,434.24-123,947.19

Finding the Fourth Proportional to 259,021.77, 388,434.24 and 123,947.19

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Solution

The fourth proportional to 259,021.77, 388,434.24 and 123,947.19 is: 185,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,021.77 : 388,434.24 = 123,947.19 : x
  2. Step 2: Convert to fraction form
    259,021.77/388,434.24 = 123,947.19/x
  3. Step 3: Cross multiply
    259,021.77x = 388,434.24 × 123,947.19
  4. Step 4: Simplify right side
    259,021.77x = 48,145,332,547.79
  5. Step 5: Solve for x
    x = 48,145,332,547.79/259,021.77
  6. Step 6: Final answer
    x = 185,873.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.