Home / 422,755.21-583,402.04-231,764.50

Finding the Fourth Proportional to 422,755.21, 583,402.04 and 231,764.50

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Solution

The fourth proportional to 422,755.21, 583,402.04 and 231,764.50 is: 319,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,755.21 : 583,402.04 = 231,764.50 : x
  2. Step 2: Convert to fraction form
    422,755.21/583,402.04 = 231,764.50/x
  3. Step 3: Cross multiply
    422,755.21x = 583,402.04 × 231,764.50
  4. Step 4: Simplify right side
    422,755.21x = 135,211,879,761.98
  5. Step 5: Solve for x
    x = 135,211,879,761.98/422,755.21
  6. Step 6: Final answer
    x = 319,834.93

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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.