Home / 259,118.96-387,800.56-159,342.36

Finding the Fourth Proportional to 259,118.96, 387,800.56 and 159,342.36

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Solution

The fourth proportional to 259,118.96, 387,800.56 and 159,342.36 is: 238,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,118.96 : 387,800.56 = 159,342.36 : x
  2. Step 2: Convert to fraction form
    259,118.96/387,800.56 = 159,342.36/x
  3. Step 3: Cross multiply
    259,118.96x = 387,800.56 × 159,342.36
  4. Step 4: Simplify right side
    259,118.96x = 61,793,056,439.72
  5. Step 5: Solve for x
    x = 61,793,056,439.72/259,118.96
  6. Step 6: Final answer
    x = 238,473.70

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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.