Home / 272,443.11-376,107.63-211,052.65

Finding the Fourth Proportional to 272,443.11, 376,107.63 and 211,052.65

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Solution

The fourth proportional to 272,443.11, 376,107.63 and 211,052.65 is: 291,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,443.11 : 376,107.63 = 211,052.65 : x
  2. Step 2: Convert to fraction form
    272,443.11/376,107.63 = 211,052.65/x
  3. Step 3: Cross multiply
    272,443.11x = 376,107.63 × 211,052.65
  4. Step 4: Simplify right side
    272,443.11x = 79,378,511,996.72
  5. Step 5: Solve for x
    x = 79,378,511,996.72/272,443.11
  6. Step 6: Final answer
    x = 291,358.12

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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.