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Finding the Fourth Proportional to 339,971.76, 468,882 and 301,759.20

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Solution

The fourth proportional to 339,971.76, 468,882 and 301,759.20 is: 416,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,971.76 : 468,882 = 301,759.20 : x
  2. Step 2: Convert to fraction form
    339,971.76/468,882 = 301,759.20/x
  3. Step 3: Cross multiply
    339,971.76x = 468,882 × 301,759.20
  4. Step 4: Simplify right side
    339,971.76x = 141,489,457,214.40
  5. Step 5: Solve for x
    x = 141,489,457,214.40/339,971.76
  6. Step 6: Final answer
    x = 416,180.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.