Home / 269,461.37-371,844.18-154,659.21

Finding the Fourth Proportional to 269,461.37, 371,844.18 and 154,659.21

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Solution

The fourth proportional to 269,461.37, 371,844.18 and 154,659.21 is: 213,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,461.37 : 371,844.18 = 154,659.21 : x
  2. Step 2: Convert to fraction form
    269,461.37/371,844.18 = 154,659.21/x
  3. Step 3: Cross multiply
    269,461.37x = 371,844.18 × 154,659.21
  4. Step 4: Simplify right side
    269,461.37x = 57,509,127,121.90
  5. Step 5: Solve for x
    x = 57,509,127,121.90/269,461.37
  6. Step 6: Final answer
    x = 213,422.53

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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.