Home / 331,903.03-458,098.73-211,020.71

Finding the Fourth Proportional to 331,903.03, 458,098.73 and 211,020.71

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Solution

The fourth proportional to 331,903.03, 458,098.73 and 211,020.71 is: 291,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,903.03 : 458,098.73 = 211,020.71 : x
  2. Step 2: Convert to fraction form
    331,903.03/458,098.73 = 211,020.71/x
  3. Step 3: Cross multiply
    331,903.03x = 458,098.73 × 211,020.71
  4. Step 4: Simplify right side
    331,903.03x = 96,668,319,254.70
  5. Step 5: Solve for x
    x = 96,668,319,254.70/331,903.03
  6. Step 6: Final answer
    x = 291,254.71

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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.