Home / 226,036.84-311,919.78-135,396.52

Finding the Fourth Proportional to 226,036.84, 311,919.78 and 135,396.52

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Solution

The fourth proportional to 226,036.84, 311,919.78 and 135,396.52 is: 186,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,036.84 : 311,919.78 = 135,396.52 : x
  2. Step 2: Convert to fraction form
    226,036.84/311,919.78 = 135,396.52/x
  3. Step 3: Cross multiply
    226,036.84x = 311,919.78 × 135,396.52
  4. Step 4: Simplify right side
    226,036.84x = 42,232,852,731.17
  5. Step 5: Solve for x
    x = 42,232,852,731.17/226,036.84
  6. Step 6: Final answer
    x = 186,840.57

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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.