Home / 259,329.24-388,292.40-134,407.80

Finding the Fourth Proportional to 259,329.24, 388,292.40 and 134,407.80

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Solution

The fourth proportional to 259,329.24, 388,292.40 and 134,407.80 is: 201,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,329.24 : 388,292.40 = 134,407.80 : x
  2. Step 2: Convert to fraction form
    259,329.24/388,292.40 = 134,407.80/x
  3. Step 3: Cross multiply
    259,329.24x = 388,292.40 × 134,407.80
  4. Step 4: Simplify right side
    259,329.24x = 52,189,527,240.72
  5. Step 5: Solve for x
    x = 52,189,527,240.72/259,329.24
  6. Step 6: Final answer
    x = 201,248.14

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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.