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Finding the Fourth Proportional to 273,699.58, 377,704.67 and 152,839.88

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Solution

The fourth proportional to 273,699.58, 377,704.67 and 152,839.88 is: 210,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,699.58 : 377,704.67 = 152,839.88 : x
  2. Step 2: Convert to fraction form
    273,699.58/377,704.67 = 152,839.88/x
  3. Step 3: Cross multiply
    273,699.58x = 377,704.67 × 152,839.88
  4. Step 4: Simplify right side
    273,699.58x = 57,728,336,438.24
  5. Step 5: Solve for x
    x = 57,728,336,438.24/273,699.58
  6. Step 6: Final answer
    x = 210,918.62

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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.