Home / 406,261.23-609,018.62-139,958.43

Finding the Fourth Proportional to 406,261.23, 609,018.62 and 139,958.43

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Solution

The fourth proportional to 406,261.23, 609,018.62 and 139,958.43 is: 209,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,261.23 : 609,018.62 = 139,958.43 : x
  2. Step 2: Convert to fraction form
    406,261.23/609,018.62 = 139,958.43/x
  3. Step 3: Cross multiply
    406,261.23x = 609,018.62 × 139,958.43
  4. Step 4: Simplify right side
    406,261.23x = 85,237,289,196.17
  5. Step 5: Solve for x
    x = 85,237,289,196.17/406,261.23
  6. Step 6: Final answer
    x = 209,809.07

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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.