Home / 259,115.96-387,796.07-159,339.35

Finding the Fourth Proportional to 259,115.96, 387,796.07 and 159,339.35

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Solution

The fourth proportional to 259,115.96, 387,796.07 and 159,339.35 is: 238,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,115.96 : 387,796.07 = 159,339.35 : x
  2. Step 2: Convert to fraction form
    259,115.96/387,796.07 = 159,339.35/x
  3. Step 3: Cross multiply
    259,115.96x = 387,796.07 × 159,339.35
  4. Step 4: Simplify right side
    259,115.96x = 61,791,175,094.19
  5. Step 5: Solve for x
    x = 61,791,175,094.19/259,115.96
  6. Step 6: Final answer
    x = 238,469.20

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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.