Home / 269,047.50-371,285.55-155,935.86

Finding the Fourth Proportional to 269,047.50, 371,285.55 and 155,935.86

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Solution

The fourth proportional to 269,047.50, 371,285.55 and 155,935.86 is: 215,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,047.50 : 371,285.55 = 155,935.86 : x
  2. Step 2: Convert to fraction form
    269,047.50/371,285.55 = 155,935.86/x
  3. Step 3: Cross multiply
    269,047.50x = 371,285.55 × 155,935.86
  4. Step 4: Simplify right side
    269,047.50x = 57,896,731,544.82
  5. Step 5: Solve for x
    x = 57,896,731,544.82/269,047.50
  6. Step 6: Final answer
    x = 215,191.49

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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.