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Finding the Fourth Proportional to 411,442.83, 567,764.44 and 230,123.39

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Solution

The fourth proportional to 411,442.83, 567,764.44 and 230,123.39 is: 317,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,442.83 : 567,764.44 = 230,123.39 : x
  2. Step 2: Convert to fraction form
    411,442.83/567,764.44 = 230,123.39/x
  3. Step 3: Cross multiply
    411,442.83x = 567,764.44 × 230,123.39
  4. Step 4: Simplify right side
    411,442.83x = 130,655,874,240.12
  5. Step 5: Solve for x
    x = 130,655,874,240.12/411,442.83
  6. Step 6: Final answer
    x = 317,555.36

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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.