Home / 259,401.60-388,834.92-188,145.72

Finding the Fourth Proportional to 259,401.60, 388,834.92 and 188,145.72

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Solution

The fourth proportional to 259,401.60, 388,834.92 and 188,145.72 is: 282,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,401.60 : 388,834.92 = 188,145.72 : x
  2. Step 2: Convert to fraction form
    259,401.60/388,834.92 = 188,145.72/x
  3. Step 3: Cross multiply
    259,401.60x = 388,834.92 × 188,145.72
  4. Step 4: Simplify right side
    259,401.60x = 73,157,625,984.54
  5. Step 5: Solve for x
    x = 73,157,625,984.54/259,401.60
  6. Step 6: Final answer
    x = 282,024.57

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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.