Home / 269,095-371,351.22-155,983.36

Finding the Fourth Proportional to 269,095, 371,351.22 and 155,983.36

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Solution

The fourth proportional to 269,095, 371,351.22 and 155,983.36 is: 215,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,095 : 371,351.22 = 155,983.36 : x
  2. Step 2: Convert to fraction form
    269,095/371,351.22 = 155,983.36/x
  3. Step 3: Cross multiply
    269,095x = 371,351.22 × 155,983.36
  4. Step 4: Simplify right side
    269,095x = 57,924,611,035.70
  5. Step 5: Solve for x
    x = 57,924,611,035.70/269,095
  6. Step 6: Final answer
    x = 215,257.11

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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.