Home / 217,266.20-325,899.30-142,616.60

Finding the Fourth Proportional to 217,266.20, 325,899.30 and 142,616.60

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Solution

The fourth proportional to 217,266.20, 325,899.30 and 142,616.60 is: 213,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,266.20 : 325,899.30 = 142,616.60 : x
  2. Step 2: Convert to fraction form
    217,266.20/325,899.30 = 142,616.60/x
  3. Step 3: Cross multiply
    217,266.20x = 325,899.30 × 142,616.60
  4. Step 4: Simplify right side
    217,266.20x = 46,478,650,108.38
  5. Step 5: Solve for x
    x = 46,478,650,108.38/217,266.20
  6. Step 6: Final answer
    x = 213,924.90

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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.