Home / 269,319.96-371,644.83-148,455

Finding the Fourth Proportional to 269,319.96, 371,644.83 and 148,455

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Solution

The fourth proportional to 269,319.96, 371,644.83 and 148,455 is: 204,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,319.96 : 371,644.83 = 148,455 : x
  2. Step 2: Convert to fraction form
    269,319.96/371,644.83 = 148,455/x
  3. Step 3: Cross multiply
    269,319.96x = 371,644.83 × 148,455
  4. Step 4: Simplify right side
    269,319.96x = 55,172,533,237.65
  5. Step 5: Solve for x
    x = 55,172,533,237.65/269,319.96
  6. Step 6: Final answer
    x = 204,858.69

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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.