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Finding the Fourth Proportional to 273,796.50, 377,840.48 and 152,942.88

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Solution

The fourth proportional to 273,796.50, 377,840.48 and 152,942.88 is: 211,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,796.50 : 377,840.48 = 152,942.88 : x
  2. Step 2: Convert to fraction form
    273,796.50/377,840.48 = 152,942.88/x
  3. Step 3: Cross multiply
    273,796.50x = 377,840.48 × 152,942.88
  4. Step 4: Simplify right side
    273,796.50x = 57,788,010,247.18
  5. Step 5: Solve for x
    x = 57,788,010,247.18/273,796.50
  6. Step 6: Final answer
    x = 211,061.90

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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.