Home / 287,488.26-396,699.39-164,974.35

Finding the Fourth Proportional to 287,488.26, 396,699.39 and 164,974.35

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Solution

The fourth proportional to 287,488.26, 396,699.39 and 164,974.35 is: 227,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,488.26 : 396,699.39 = 164,974.35 : x
  2. Step 2: Convert to fraction form
    287,488.26/396,699.39 = 164,974.35/x
  3. Step 3: Cross multiply
    287,488.26x = 396,699.39 × 164,974.35
  4. Step 4: Simplify right side
    287,488.26x = 65,445,224,010.65
  5. Step 5: Solve for x
    x = 65,445,224,010.65/287,488.26
  6. Step 6: Final answer
    x = 227,644.86

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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.