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Finding the Fourth Proportional to 473,138.74, 652,923.03 and 269,185.27

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Solution

The fourth proportional to 473,138.74, 652,923.03 and 269,185.27 is: 371,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,138.74 : 652,923.03 = 269,185.27 : x
  2. Step 2: Convert to fraction form
    473,138.74/652,923.03 = 269,185.27/x
  3. Step 3: Cross multiply
    473,138.74x = 652,923.03 × 269,185.27
  4. Step 4: Simplify right side
    473,138.74x = 175,757,262,119.77
  5. Step 5: Solve for x
    x = 175,757,262,119.77/473,138.74
  6. Step 6: Final answer
    x = 371,470.88

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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.