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Finding the Fourth Proportional to 225,670.01, 338,317.41 and 105,667.96

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Solution

The fourth proportional to 225,670.01, 338,317.41 and 105,667.96 is: 158,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,670.01 : 338,317.41 = 105,667.96 : x
  2. Step 2: Convert to fraction form
    225,670.01/338,317.41 = 105,667.96/x
  3. Step 3: Cross multiply
    225,670.01x = 338,317.41 × 105,667.96
  4. Step 4: Simplify right side
    225,670.01x = 35,749,310,547.18
  5. Step 5: Solve for x
    x = 35,749,310,547.18/225,670.01
  6. Step 6: Final answer
    x = 158,414.10

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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.