Home / 259,088.92-388,633.38-101,206.65

Finding the Fourth Proportional to 259,088.92, 388,633.38 and 101,206.65

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Solution

The fourth proportional to 259,088.92, 388,633.38 and 101,206.65 is: 151,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,088.92 : 388,633.38 = 101,206.65 : x
  2. Step 2: Convert to fraction form
    259,088.92/388,633.38 = 101,206.65/x
  3. Step 3: Cross multiply
    259,088.92x = 388,633.38 × 101,206.65
  4. Step 4: Simplify right side
    259,088.92x = 39,332,283,545.83
  5. Step 5: Solve for x
    x = 39,332,283,545.83/259,088.92
  6. Step 6: Final answer
    x = 151,809.98

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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.