Home / 331,902.03-458,097.35-211,019.71

Finding the Fourth Proportional to 331,902.03, 458,097.35 and 211,019.71

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Solution

The fourth proportional to 331,902.03, 458,097.35 and 211,019.71 is: 291,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,902.03 : 458,097.35 = 211,019.71 : x
  2. Step 2: Convert to fraction form
    331,902.03/458,097.35 = 211,019.71/x
  3. Step 3: Cross multiply
    331,902.03x = 458,097.35 × 211,019.71
  4. Step 4: Simplify right side
    331,902.03x = 96,667,568,607.36
  5. Step 5: Solve for x
    x = 96,667,568,607.36/331,902.03
  6. Step 6: Final answer
    x = 291,253.32

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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.