Home / 269,280.51-371,605.10-148,422.03

Finding the Fourth Proportional to 269,280.51, 371,605.10 and 148,422.03

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Solution

The fourth proportional to 269,280.51, 371,605.10 and 148,422.03 is: 204,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,280.51 : 371,605.10 = 148,422.03 : x
  2. Step 2: Convert to fraction form
    269,280.51/371,605.10 = 148,422.03/x
  3. Step 3: Cross multiply
    269,280.51x = 371,605.10 × 148,422.03
  4. Step 4: Simplify right side
    269,280.51x = 55,154,382,558.24
  5. Step 5: Solve for x
    x = 55,154,382,558.24/269,280.51
  6. Step 6: Final answer
    x = 204,821.29

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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.