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Finding the Fourth Proportional to 530,242.32, 795,260.81 and 206,029.85

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Solution

The fourth proportional to 530,242.32, 795,260.81 and 206,029.85 is: 309,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,242.32 : 795,260.81 = 206,029.85 : x
  2. Step 2: Convert to fraction form
    530,242.32/795,260.81 = 206,029.85/x
  3. Step 3: Cross multiply
    530,242.32x = 795,260.81 × 206,029.85
  4. Step 4: Simplify right side
    530,242.32x = 163,847,460,388.73
  5. Step 5: Solve for x
    x = 163,847,460,388.73/530,242.32
  6. Step 6: Final answer
    x = 309,004.87

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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.