Home / 259,426.20-388,851.30-101,602.20

Finding the Fourth Proportional to 259,426.20, 388,851.30 and 101,602.20

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Solution

The fourth proportional to 259,426.20, 388,851.30 and 101,602.20 is: 152,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,426.20 : 388,851.30 = 101,602.20 : x
  2. Step 2: Convert to fraction form
    259,426.20/388,851.30 = 101,602.20/x
  3. Step 3: Cross multiply
    259,426.20x = 388,851.30 × 101,602.20
  4. Step 4: Simplify right side
    259,426.20x = 39,508,147,552.86
  5. Step 5: Solve for x
    x = 39,508,147,552.86/259,426.20
  6. Step 6: Final answer
    x = 152,290.51

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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.