Home / 259,922.06-390,087.22-133,557.20

Finding the Fourth Proportional to 259,922.06, 390,087.22 and 133,557.20

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Solution

The fourth proportional to 259,922.06, 390,087.22 and 133,557.20 is: 200,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,922.06 : 390,087.22 = 133,557.20 : x
  2. Step 2: Convert to fraction form
    259,922.06/390,087.22 = 133,557.20/x
  3. Step 3: Cross multiply
    259,922.06x = 390,087.22 × 133,557.20
  4. Step 4: Simplify right side
    259,922.06x = 52,098,956,858.98
  5. Step 5: Solve for x
    x = 52,098,956,858.98/259,922.06
  6. Step 6: Final answer
    x = 200,440.69

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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.