Home / 286,498.56-395,380.31-159,174.15

Finding the Fourth Proportional to 286,498.56, 395,380.31 and 159,174.15

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Solution

The fourth proportional to 286,498.56, 395,380.31 and 159,174.15 is: 219,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,498.56 : 395,380.31 = 159,174.15 : x
  2. Step 2: Convert to fraction form
    286,498.56/395,380.31 = 159,174.15/x
  3. Step 3: Cross multiply
    286,498.56x = 395,380.31 × 159,174.15
  4. Step 4: Simplify right side
    286,498.56x = 62,934,323,975.12
  5. Step 5: Solve for x
    x = 62,934,323,975.12/286,498.56
  6. Step 6: Final answer
    x = 219,667.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.