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Finding the Fourth Proportional to 401,589.44, 554,100.40 and 240,383.20

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Solution

The fourth proportional to 401,589.44, 554,100.40 and 240,383.20 is: 331,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,589.44 : 554,100.40 = 240,383.20 : x
  2. Step 2: Convert to fraction form
    401,589.44/554,100.40 = 240,383.20/x
  3. Step 3: Cross multiply
    401,589.44x = 554,100.40 × 240,383.20
  4. Step 4: Simplify right side
    401,589.44x = 133,196,427,273.28
  5. Step 5: Solve for x
    x = 133,196,427,273.28/401,589.44
  6. Step 6: Final answer
    x = 331,673.13

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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.