Home / 269,085.50-371,338.08-155,973.86

Finding the Fourth Proportional to 269,085.50, 371,338.08 and 155,973.86

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Solution

The fourth proportional to 269,085.50, 371,338.08 and 155,973.86 is: 215,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,085.50 : 371,338.08 = 155,973.86 : x
  2. Step 2: Convert to fraction form
    269,085.50/371,338.08 = 155,973.86/x
  3. Step 3: Cross multiply
    269,085.50x = 371,338.08 × 155,973.86
  4. Step 4: Simplify right side
    269,085.50x = 57,919,033,702.59
  5. Step 5: Solve for x
    x = 57,919,033,702.59/269,085.50
  6. Step 6: Final answer
    x = 215,243.98

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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.