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Finding the Fourth Proportional to 446,172.66, 615,490.20 and 284,858.22

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Solution

The fourth proportional to 446,172.66, 615,490.20 and 284,858.22 is: 392,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,172.66 : 615,490.20 = 284,858.22 : x
  2. Step 2: Convert to fraction form
    446,172.66/615,490.20 = 284,858.22/x
  3. Step 3: Cross multiply
    446,172.66x = 615,490.20 × 284,858.22
  4. Step 4: Simplify right side
    446,172.66x = 175,327,442,799.44
  5. Step 5: Solve for x
    x = 175,327,442,799.44/446,172.66
  6. Step 6: Final answer
    x = 392,958.73

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1.5x scale

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.