Home / 269,009.92-371,184.64-155,791.36

Finding the Fourth Proportional to 269,009.92, 371,184.64 and 155,791.36

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Solution

The fourth proportional to 269,009.92, 371,184.64 and 155,791.36 is: 214,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,009.92 : 371,184.64 = 155,791.36 : x
  2. Step 2: Convert to fraction form
    269,009.92/371,184.64 = 155,791.36/x
  3. Step 3: Cross multiply
    269,009.92x = 371,184.64 × 155,791.36
  4. Step 4: Simplify right side
    269,009.92x = 57,827,359,876.71
  5. Step 5: Solve for x
    x = 57,827,359,876.71/269,009.92
  6. Step 6: Final answer
    x = 214,963.67

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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.