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Finding the Fourth Proportional to 249,712, 374,568 and 74,608

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Solution

The fourth proportional to 249,712, 374,568 and 74,608 is: 111,912

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,712 : 374,568 = 74,608 : x
  2. Step 2: Convert to fraction form
    249,712/374,568 = 74,608/x
  3. Step 3: Cross multiply
    249,712x = 374,568 × 74,608
  4. Step 4: Simplify right side
    249,712x = 27,945,769,344
  5. Step 5: Solve for x
    x = 27,945,769,344/249,712
  6. Step 6: Final answer
    x = 111,912

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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.