Home / 406,058.20-609,087.30-181,331.80

Finding the Fourth Proportional to 406,058.20, 609,087.30 and 181,331.80

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Solution

The fourth proportional to 406,058.20, 609,087.30 and 181,331.80 is: 271,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,058.20 : 609,087.30 = 181,331.80 : x
  2. Step 2: Convert to fraction form
    406,058.20/609,087.30 = 181,331.80/x
  3. Step 3: Cross multiply
    406,058.20x = 609,087.30 × 181,331.80
  4. Step 4: Simplify right side
    406,058.20x = 110,446,896,466.14
  5. Step 5: Solve for x
    x = 110,446,896,466.14/406,058.20
  6. Step 6: Final answer
    x = 271,997.70

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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.