Home / 290,822.67-401,372.64-163,522.85

Finding the Fourth Proportional to 290,822.67, 401,372.64 and 163,522.85

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Solution

The fourth proportional to 290,822.67, 401,372.64 and 163,522.85 is: 225,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,822.67 : 401,372.64 = 163,522.85 : x
  2. Step 2: Convert to fraction form
    290,822.67/401,372.64 = 163,522.85/x
  3. Step 3: Cross multiply
    290,822.67x = 401,372.64 × 163,522.85
  4. Step 4: Simplify right side
    290,822.67x = 65,633,595,997.96
  5. Step 5: Solve for x
    x = 65,633,595,997.96/290,822.67
  6. Step 6: Final answer
    x = 225,682.53

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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.