Home / 269,071.50-371,244.78-187,308.12

Finding the Fourth Proportional to 269,071.50, 371,244.78 and 187,308.12

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Solution

The fourth proportional to 269,071.50, 371,244.78 and 187,308.12 is: 258,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,071.50 : 371,244.78 = 187,308.12 : x
  2. Step 2: Convert to fraction form
    269,071.50/371,244.78 = 187,308.12/x
  3. Step 3: Cross multiply
    269,071.50x = 371,244.78 × 187,308.12
  4. Step 4: Simplify right side
    269,071.50x = 69,537,161,801.61
  5. Step 5: Solve for x
    x = 69,537,161,801.61/269,071.50
  6. Step 6: Final answer
    x = 258,433.77

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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.