Home / 284,844.20-427,331.10-166,454.60

Finding the Fourth Proportional to 284,844.20, 427,331.10 and 166,454.60

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Solution

The fourth proportional to 284,844.20, 427,331.10 and 166,454.60 is: 249,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,844.20 : 427,331.10 = 166,454.60 : x
  2. Step 2: Convert to fraction form
    284,844.20/427,331.10 = 166,454.60/x
  3. Step 3: Cross multiply
    284,844.20x = 427,331.10 × 166,454.60
  4. Step 4: Simplify right side
    284,844.20x = 71,131,227,318.06
  5. Step 5: Solve for x
    x = 71,131,227,318.06/284,844.20
  6. Step 6: Final answer
    x = 249,719.77

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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.