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Finding the Fourth Proportional to 344,010.60, 514,979.10 and 306,685.80

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Solution

The fourth proportional to 344,010.60, 514,979.10 and 306,685.80 is: 459,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,010.60 : 514,979.10 = 306,685.80 : x
  2. Step 2: Convert to fraction form
    344,010.60/514,979.10 = 306,685.80/x
  3. Step 3: Cross multiply
    344,010.60x = 514,979.10 × 306,685.80
  4. Step 4: Simplify right side
    344,010.60x = 157,936,777,266.78
  5. Step 5: Solve for x
    x = 157,936,777,266.78/344,010.60
  6. Step 6: Final answer
    x = 459,104.39

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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.