Home / 521,863.75-782,548.89-202,165.35

Finding the Fourth Proportional to 521,863.75, 782,548.89 and 202,165.35

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Solution

The fourth proportional to 521,863.75, 782,548.89 and 202,165.35 is: 303,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,863.75 : 782,548.89 = 202,165.35 : x
  2. Step 2: Convert to fraction form
    521,863.75/782,548.89 = 202,165.35/x
  3. Step 3: Cross multiply
    521,863.75x = 782,548.89 × 202,165.35
  4. Step 4: Simplify right side
    521,863.75x = 158,204,270,238.96
  5. Step 5: Solve for x
    x = 158,204,270,238.96/521,863.75
  6. Step 6: Final answer
    x = 303,152.44

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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.