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Finding the Fourth Proportional to 521,850.60, 782,825.04 and 166,780.26

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Solution

The fourth proportional to 521,850.60, 782,825.04 and 166,780.26 is: 250,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,850.60 : 782,825.04 = 166,780.26 : x
  2. Step 2: Convert to fraction form
    521,850.60/782,825.04 = 166,780.26/x
  3. Step 3: Cross multiply
    521,850.60x = 782,825.04 × 166,780.26
  4. Step 4: Simplify right side
    521,850.60x = 130,559,763,705.71
  5. Step 5: Solve for x
    x = 130,559,763,705.71/521,850.60
  6. Step 6: Final answer
    x = 250,186.09

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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.