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Finding the Fourth Proportional to 404,000.21, 557,495.24 and 222,713.70

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Solution

The fourth proportional to 404,000.21, 557,495.24 and 222,713.70 is: 307,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,000.21 : 557,495.24 = 222,713.70 : x
  2. Step 2: Convert to fraction form
    404,000.21/557,495.24 = 222,713.70/x
  3. Step 3: Cross multiply
    404,000.21x = 557,495.24 × 222,713.70
  4. Step 4: Simplify right side
    404,000.21x = 124,161,826,519.22
  5. Step 5: Solve for x
    x = 124,161,826,519.22/404,000.21
  6. Step 6: Final answer
    x = 307,331.10

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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.