Home / 281,780.34-422,853.72-122,012.29

Finding the Fourth Proportional to 281,780.34, 422,853.72 and 122,012.29

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Solution

The fourth proportional to 281,780.34, 422,853.72 and 122,012.29 is: 183,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,780.34 : 422,853.72 = 122,012.29 : x
  2. Step 2: Convert to fraction form
    281,780.34/422,853.72 = 122,012.29/x
  3. Step 3: Cross multiply
    281,780.34x = 422,853.72 × 122,012.29
  4. Step 4: Simplify right side
    281,780.34x = 51,593,350,712.22
  5. Step 5: Solve for x
    x = 51,593,350,712.22/281,780.34
  6. Step 6: Final answer
    x = 183,097.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.