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Finding the Fourth Proportional to 378,602.70, 567,138.60 and 236,010.30

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Solution

The fourth proportional to 378,602.70, 567,138.60 and 236,010.30 is: 353,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,602.70 : 567,138.60 = 236,010.30 : x
  2. Step 2: Convert to fraction form
    378,602.70/567,138.60 = 236,010.30/x
  3. Step 3: Cross multiply
    378,602.70x = 567,138.60 × 236,010.30
  4. Step 4: Simplify right side
    378,602.70x = 133,850,551,127.58
  5. Step 5: Solve for x
    x = 133,850,551,127.58/378,602.70
  6. Step 6: Final answer
    x = 353,538.29

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1.5x scale

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.