Home / 269,078.36-371,330.70-148,220.20

Finding the Fourth Proportional to 269,078.36, 371,330.70 and 148,220.20

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Solution

The fourth proportional to 269,078.36, 371,330.70 and 148,220.20 is: 204,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,078.36 : 371,330.70 = 148,220.20 : x
  2. Step 2: Convert to fraction form
    269,078.36/371,330.70 = 148,220.20/x
  3. Step 3: Cross multiply
    269,078.36x = 371,330.70 × 148,220.20
  4. Step 4: Simplify right side
    269,078.36x = 55,038,710,620.14
  5. Step 5: Solve for x
    x = 55,038,710,620.14/269,078.36
  6. Step 6: Final answer
    x = 204,545.29

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1.5x scale

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.