Home / 269,238.04-371,488.62-154,509.64

Finding the Fourth Proportional to 269,238.04, 371,488.62 and 154,509.64

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Solution

The fourth proportional to 269,238.04, 371,488.62 and 154,509.64 is: 213,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,238.04 : 371,488.62 = 154,509.64 : x
  2. Step 2: Convert to fraction form
    269,238.04/371,488.62 = 154,509.64/x
  3. Step 3: Cross multiply
    269,238.04x = 371,488.62 × 154,509.64
  4. Step 4: Simplify right side
    269,238.04x = 57,398,572,940.30
  5. Step 5: Solve for x
    x = 57,398,572,940.30/269,238.04
  6. Step 6: Final answer
    x = 213,188.94

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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.