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Finding the Fourth Proportional to 448,333.56, 618,711.81 and 254,734.83

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Solution

The fourth proportional to 448,333.56, 618,711.81 and 254,734.83 is: 351,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,333.56 : 618,711.81 = 254,734.83 : x
  2. Step 2: Convert to fraction form
    448,333.56/618,711.81 = 254,734.83/x
  3. Step 3: Cross multiply
    448,333.56x = 618,711.81 × 254,734.83
  4. Step 4: Simplify right side
    448,333.56x = 157,607,447,739.34
  5. Step 5: Solve for x
    x = 157,607,447,739.34/448,333.56
  6. Step 6: Final answer
    x = 351,540.60

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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.