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Finding the Fourth Proportional to 273,219.81, 377,044.97 and 152,368.73

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Solution

The fourth proportional to 273,219.81, 377,044.97 and 152,368.73 is: 210,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,219.81 : 377,044.97 = 152,368.73 : x
  2. Step 2: Convert to fraction form
    273,219.81/377,044.97 = 152,368.73/x
  3. Step 3: Cross multiply
    273,219.81x = 377,044.97 × 152,368.73
  4. Step 4: Simplify right side
    273,219.81x = 57,449,860,584.72
  5. Step 5: Solve for x
    x = 57,449,860,584.72/273,219.81
  6. Step 6: Final answer
    x = 210,269.75

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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.