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Finding the Fourth Proportional to 438,852, 605,615.76 and 237,648

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Solution

The fourth proportional to 438,852, 605,615.76 and 237,648 is: 327,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,852 : 605,615.76 = 237,648 : x
  2. Step 2: Convert to fraction form
    438,852/605,615.76 = 237,648/x
  3. Step 3: Cross multiply
    438,852x = 605,615.76 × 237,648
  4. Step 4: Simplify right side
    438,852x = 143,923,374,132.48
  5. Step 5: Solve for x
    x = 143,923,374,132.48/438,852
  6. Step 6: Final answer
    x = 327,954.24

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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.