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Finding the Fourth Proportional to 521,844.45, 782,722.94 and 166,763.13

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Solution

The fourth proportional to 521,844.45, 782,722.94 and 166,763.13 is: 250,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,844.45 : 782,722.94 = 166,763.13 : x
  2. Step 2: Convert to fraction form
    521,844.45/782,722.94 = 166,763.13/x
  3. Step 3: Cross multiply
    521,844.45x = 782,722.94 × 166,763.13
  4. Step 4: Simplify right side
    521,844.45x = 130,529,326,563.39
  5. Step 5: Solve for x
    x = 130,529,326,563.39/521,844.45
  6. Step 6: Final answer
    x = 250,130.72

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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.