Home / 269,050.52-371,289.70-155,938.88

Finding the Fourth Proportional to 269,050.52, 371,289.70 and 155,938.88

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Solution

The fourth proportional to 269,050.52, 371,289.70 and 155,938.88 is: 215,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,050.52 : 371,289.70 = 155,938.88 : x
  2. Step 2: Convert to fraction form
    269,050.52/371,289.70 = 155,938.88/x
  3. Step 3: Cross multiply
    269,050.52x = 371,289.70 × 155,938.88
  4. Step 4: Simplify right side
    269,050.52x = 57,898,499,973.54
  5. Step 5: Solve for x
    x = 57,898,499,973.54/269,050.52
  6. Step 6: Final answer
    x = 215,195.64

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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.