Home / 269,000.79-371,206.87-154,273.50

Finding the Fourth Proportional to 269,000.79, 371,206.87 and 154,273.50

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Solution

The fourth proportional to 269,000.79, 371,206.87 and 154,273.50 is: 212,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,000.79 : 371,206.87 = 154,273.50 : x
  2. Step 2: Convert to fraction form
    269,000.79/371,206.87 = 154,273.50/x
  3. Step 3: Cross multiply
    269,000.79x = 371,206.87 × 154,273.50
  4. Step 4: Simplify right side
    269,000.79x = 57,267,383,058.95
  5. Step 5: Solve for x
    x = 57,267,383,058.95/269,000.79
  6. Step 6: Final answer
    x = 212,889.27

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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.