Home / 269,462.37-371,845.56-154,660.21

Finding the Fourth Proportional to 269,462.37, 371,845.56 and 154,660.21

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Solution

The fourth proportional to 269,462.37, 371,845.56 and 154,660.21 is: 213,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,462.37 : 371,845.56 = 154,660.21 : x
  2. Step 2: Convert to fraction form
    269,462.37/371,845.56 = 154,660.21/x
  3. Step 3: Cross multiply
    269,462.37x = 371,845.56 × 154,660.21
  4. Step 4: Simplify right side
    269,462.37x = 57,509,712,397.17
  5. Step 5: Solve for x
    x = 57,509,712,397.17/269,462.37
  6. Step 6: Final answer
    x = 213,423.91

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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.