Home / 269,043.50-371,280.04-155,931.86

Finding the Fourth Proportional to 269,043.50, 371,280.04 and 155,931.86

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Solution

The fourth proportional to 269,043.50, 371,280.04 and 155,931.86 is: 215,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,043.50 : 371,280.04 = 155,931.86 : x
  2. Step 2: Convert to fraction form
    269,043.50/371,280.04 = 155,931.86/x
  3. Step 3: Cross multiply
    269,043.50x = 371,280.04 × 155,931.86
  4. Step 4: Simplify right side
    269,043.50x = 57,894,387,218.07
  5. Step 5: Solve for x
    x = 57,894,387,218.07/269,043.50
  6. Step 6: Final answer
    x = 215,185.97

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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.