Home / 427,900.83-590,501.08-231,667.43

Finding the Fourth Proportional to 427,900.83, 590,501.08 and 231,667.43

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Solution

The fourth proportional to 427,900.83, 590,501.08 and 231,667.43 is: 319,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,900.83 : 590,501.08 = 231,667.43 : x
  2. Step 2: Convert to fraction form
    427,900.83/590,501.08 = 231,667.43/x
  3. Step 3: Cross multiply
    427,900.83x = 590,501.08 × 231,667.43
  4. Step 4: Simplify right side
    427,900.83x = 136,799,867,167.28
  5. Step 5: Solve for x
    x = 136,799,867,167.28/427,900.83
  6. Step 6: Final answer
    x = 319,699.93

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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.