Home / 406,553.82-609,821.91-140,305.38

Finding the Fourth Proportional to 406,553.82, 609,821.91 and 140,305.38

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Solution

The fourth proportional to 406,553.82, 609,821.91 and 140,305.38 is: 210,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,553.82 : 609,821.91 = 140,305.38 : x
  2. Step 2: Convert to fraction form
    406,553.82/609,821.91 = 140,305.38/x
  3. Step 3: Cross multiply
    406,553.82x = 609,821.91 × 140,305.38
  4. Step 4: Simplify right side
    406,553.82x = 85,561,294,814.88
  5. Step 5: Solve for x
    x = 85,561,294,814.88/406,553.82
  6. Step 6: Final answer
    x = 210,455.03

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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.