Home / 234,474.13-351,760.40-76,690.28

Finding the Fourth Proportional to 234,474.13, 351,760.40 and 76,690.28

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Solution

The fourth proportional to 234,474.13, 351,760.40 and 76,690.28 is: 115,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,474.13 : 351,760.40 = 76,690.28 : x
  2. Step 2: Convert to fraction form
    234,474.13/351,760.40 = 76,690.28/x
  3. Step 3: Cross multiply
    234,474.13x = 351,760.40 × 76,690.28
  4. Step 4: Simplify right side
    234,474.13x = 26,976,603,568.91
  5. Step 5: Solve for x
    x = 26,976,603,568.91/234,474.13
  6. Step 6: Final answer
    x = 115,051.51

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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.