Home / 269,875.09-372,394.96-149,006.89

Finding the Fourth Proportional to 269,875.09, 372,394.96 and 149,006.89

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Solution

The fourth proportional to 269,875.09, 372,394.96 and 149,006.89 is: 205,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,875.09 : 372,394.96 = 149,006.89 : x
  2. Step 2: Convert to fraction form
    269,875.09/372,394.96 = 149,006.89/x
  3. Step 3: Cross multiply
    269,875.09x = 372,394.96 × 149,006.89
  4. Step 4: Simplify right side
    269,875.09x = 55,489,414,841.27
  5. Step 5: Solve for x
    x = 55,489,414,841.27/269,875.09
  6. Step 6: Final answer
    x = 205,611.47

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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.