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Finding the Fourth Proportional to 380,290.92, 570,267.90 and 202,764.84

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Solution

The fourth proportional to 380,290.92, 570,267.90 and 202,764.84 is: 304,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,290.92 : 570,267.90 = 202,764.84 : x
  2. Step 2: Convert to fraction form
    380,290.92/570,267.90 = 202,764.84/x
  3. Step 3: Cross multiply
    380,290.92x = 570,267.90 × 202,764.84
  4. Step 4: Simplify right side
    380,290.92x = 115,630,279,500.64
  5. Step 5: Solve for x
    x = 115,630,279,500.64/380,290.92
  6. Step 6: Final answer
    x = 304,057.43

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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.