Home / 259,161.66-387,864.45-159,385.05

Finding the Fourth Proportional to 259,161.66, 387,864.45 and 159,385.05

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Solution

The fourth proportional to 259,161.66, 387,864.45 and 159,385.05 is: 238,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,161.66 : 387,864.45 = 159,385.05 : x
  2. Step 2: Convert to fraction form
    259,161.66/387,864.45 = 159,385.05/x
  3. Step 3: Cross multiply
    259,161.66x = 387,864.45 × 159,385.05
  4. Step 4: Simplify right side
    259,161.66x = 61,819,794,756.47
  5. Step 5: Solve for x
    x = 61,819,794,756.47/259,161.66
  6. Step 6: Final answer
    x = 238,537.58

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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.