Home / 217,917.38-300,742.38-133,050.84

Finding the Fourth Proportional to 217,917.38, 300,742.38 and 133,050.84

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Solution

The fourth proportional to 217,917.38, 300,742.38 and 133,050.84 is: 183,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,917.38 : 300,742.38 = 133,050.84 : x
  2. Step 2: Convert to fraction form
    217,917.38/300,742.38 = 133,050.84/x
  3. Step 3: Cross multiply
    217,917.38x = 300,742.38 × 133,050.84
  4. Step 4: Simplify right side
    217,917.38x = 40,014,026,282.60
  5. Step 5: Solve for x
    x = 40,014,026,282.60/217,917.38
  6. Step 6: Final answer
    x = 183,620.17

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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.