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Finding the Fourth Proportional to 451,851.90, 676,873.67 and 271,837.54

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Solution

The fourth proportional to 451,851.90, 676,873.67 and 271,837.54 is: 407,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,851.90 : 676,873.67 = 271,837.54 : x
  2. Step 2: Convert to fraction form
    451,851.90/676,873.67 = 271,837.54/x
  3. Step 3: Cross multiply
    451,851.90x = 676,873.67 × 271,837.54
  4. Step 4: Simplify right side
    451,851.90x = 183,999,674,734.18
  5. Step 5: Solve for x
    x = 183,999,674,734.18/451,851.90
  6. Step 6: Final answer
    x = 407,212.35

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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.