Home / 271,228.44-406,603-102,631.72

Finding the Fourth Proportional to 271,228.44, 406,603 and 102,631.72

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Solution

The fourth proportional to 271,228.44, 406,603 and 102,631.72 is: 153,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,228.44 : 406,603 = 102,631.72 : x
  2. Step 2: Convert to fraction form
    271,228.44/406,603 = 102,631.72/x
  3. Step 3: Cross multiply
    271,228.44x = 406,603 × 102,631.72
  4. Step 4: Simplify right side
    271,228.44x = 41,730,365,247.16
  5. Step 5: Solve for x
    x = 41,730,365,247.16/271,228.44
  6. Step 6: Final answer
    x = 153,856.89

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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.