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Finding the Fourth Proportional to 273,296.38, 377,148 and 152,437.56

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Solution

The fourth proportional to 273,296.38, 377,148 and 152,437.56 is: 210,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,296.38 : 377,148 = 152,437.56 : x
  2. Step 2: Convert to fraction form
    273,296.38/377,148 = 152,437.56/x
  3. Step 3: Cross multiply
    273,296.38x = 377,148 × 152,437.56
  4. Step 4: Simplify right side
    273,296.38x = 57,491,520,878.88
  5. Step 5: Solve for x
    x = 57,491,520,878.88/273,296.38
  6. Step 6: Final answer
    x = 210,363.27

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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.