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Finding the Fourth Proportional to 511,747.28, 767,241.76 and 245,254

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Solution

The fourth proportional to 511,747.28, 767,241.76 and 245,254 is: 367,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,747.28 : 767,241.76 = 245,254 : x
  2. Step 2: Convert to fraction form
    511,747.28/767,241.76 = 245,254/x
  3. Step 3: Cross multiply
    511,747.28x = 767,241.76 × 245,254
  4. Step 4: Simplify right side
    511,747.28x = 188,169,110,607.04
  5. Step 5: Solve for x
    x = 188,169,110,607.04/511,747.28
  6. Step 6: Final answer
    x = 367,699.29

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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.