Home / 422,655.82-583,279.35-231,669.22

Finding the Fourth Proportional to 422,655.82, 583,279.35 and 231,669.22

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Solution

The fourth proportional to 422,655.82, 583,279.35 and 231,669.22 is: 319,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,655.82 : 583,279.35 = 231,669.22 : x
  2. Step 2: Convert to fraction form
    422,655.82/583,279.35 = 231,669.22/x
  3. Step 3: Cross multiply
    422,655.82x = 583,279.35 × 231,669.22
  4. Step 4: Simplify right side
    422,655.82x = 135,127,872,056.61
  5. Step 5: Solve for x
    x = 135,127,872,056.61/422,655.82
  6. Step 6: Final answer
    x = 319,711.37

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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.