Home / 268,773.03-403,408.98-135,746.70

Finding the Fourth Proportional to 268,773.03, 403,408.98 and 135,746.70

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Solution

The fourth proportional to 268,773.03, 403,408.98 and 135,746.70 is: 203,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,773.03 : 403,408.98 = 135,746.70 : x
  2. Step 2: Convert to fraction form
    268,773.03/403,408.98 = 135,746.70/x
  3. Step 3: Cross multiply
    268,773.03x = 403,408.98 × 135,746.70
  4. Step 4: Simplify right side
    268,773.03x = 54,761,437,785.37
  5. Step 5: Solve for x
    x = 54,761,437,785.37/268,773.03
  6. Step 6: Final answer
    x = 203,746.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.