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Finding the Fourth Proportional to 274,297.41, 411,609.65 and 122,482.76

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Solution

The fourth proportional to 274,297.41, 411,609.65 and 122,482.76 is: 183,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,297.41 : 411,609.65 = 122,482.76 : x
  2. Step 2: Convert to fraction form
    274,297.41/411,609.65 = 122,482.76/x
  3. Step 3: Cross multiply
    274,297.41x = 411,609.65 × 122,482.76
  4. Step 4: Simplify right side
    274,297.41x = 50,415,083,304.17
  5. Step 5: Solve for x
    x = 50,415,083,304.17/274,297.41
  6. Step 6: Final answer
    x = 183,797.15

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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.