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Finding the Fourth Proportional to 374,735.33, 562,110.30 and 137,956.13

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Solution

The fourth proportional to 374,735.33, 562,110.30 and 137,956.13 is: 206,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,735.33 : 562,110.30 = 137,956.13 : x
  2. Step 2: Convert to fraction form
    374,735.33/562,110.30 = 137,956.13/x
  3. Step 3: Cross multiply
    374,735.33x = 562,110.30 × 137,956.13
  4. Step 4: Simplify right side
    374,735.33x = 77,546,561,621.14
  5. Step 5: Solve for x
    x = 77,546,561,621.14/374,735.33
  6. Step 6: Final answer
    x = 206,936.88

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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.