Home / 269,030.94-371,279.56-148,172.20

Finding the Fourth Proportional to 269,030.94, 371,279.56 and 148,172.20

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Solution

The fourth proportional to 269,030.94, 371,279.56 and 148,172.20 is: 204,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,030.94 : 371,279.56 = 148,172.20 : x
  2. Step 2: Convert to fraction form
    269,030.94/371,279.56 = 148,172.20/x
  3. Step 3: Cross multiply
    269,030.94x = 371,279.56 × 148,172.20
  4. Step 4: Simplify right side
    269,030.94x = 55,013,309,871.14
  5. Step 5: Solve for x
    x = 55,013,309,871.14/269,030.94
  6. Step 6: Final answer
    x = 204,486.92

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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.