Home / 269,437.10-403,936.47-100,863

Finding the Fourth Proportional to 269,437.10, 403,936.47 and 100,863

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Solution

The fourth proportional to 269,437.10, 403,936.47 and 100,863 is: 151,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,437.10 : 403,936.47 = 100,863 : x
  2. Step 2: Convert to fraction form
    269,437.10/403,936.47 = 100,863/x
  3. Step 3: Cross multiply
    269,437.10x = 403,936.47 × 100,863
  4. Step 4: Simplify right side
    269,437.10x = 40,742,244,173.61
  5. Step 5: Solve for x
    x = 40,742,244,173.61/269,437.10
  6. Step 6: Final answer
    x = 151,212.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.