Home / 406,131.08-609,755.66-206,586.50

Finding the Fourth Proportional to 406,131.08, 609,755.66 and 206,586.50

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Solution

The fourth proportional to 406,131.08, 609,755.66 and 206,586.50 is: 310,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,131.08 : 609,755.66 = 206,586.50 : x
  2. Step 2: Convert to fraction form
    406,131.08/609,755.66 = 206,586.50/x
  3. Step 3: Cross multiply
    406,131.08x = 609,755.66 × 206,586.50
  4. Step 4: Simplify right side
    406,131.08x = 125,967,287,654.59
  5. Step 5: Solve for x
    x = 125,967,287,654.59/406,131.08
  6. Step 6: Final answer
    x = 310,164.12

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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.