Home / 276,929.22-415,356.91-77,232.89

Finding the Fourth Proportional to 276,929.22, 415,356.91 and 77,232.89

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Solution

The fourth proportional to 276,929.22, 415,356.91 and 77,232.89 is: 115,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,929.22 : 415,356.91 = 77,232.89 : x
  2. Step 2: Convert to fraction form
    276,929.22/415,356.91 = 77,232.89/x
  3. Step 3: Cross multiply
    276,929.22x = 415,356.91 × 77,232.89
  4. Step 4: Simplify right side
    276,929.22x = 32,079,212,270.90
  5. Step 5: Solve for x
    x = 32,079,212,270.90/276,929.22
  6. Step 6: Final answer
    x = 115,839.03

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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.