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Finding the Fourth Proportional to 442,725.59, 610,958.50 and 251,739

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Solution

The fourth proportional to 442,725.59, 610,958.50 and 251,739 is: 347,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,725.59 : 610,958.50 = 251,739 : x
  2. Step 2: Convert to fraction form
    442,725.59/610,958.50 = 251,739/x
  3. Step 3: Cross multiply
    442,725.59x = 610,958.50 × 251,739
  4. Step 4: Simplify right side
    442,725.59x = 153,802,081,202.15
  5. Step 5: Solve for x
    x = 153,802,081,202.15/442,725.59
  6. Step 6: Final answer
    x = 347,398.22

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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.