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Finding the Fourth Proportional to 670,150.56, 1,005,212 and 220,898.40

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Solution

The fourth proportional to 670,150.56, 1,005,212 and 220,898.40 is: 331,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,150.56 : 1,005,212 = 220,898.40 : x
  2. Step 2: Convert to fraction form
    670,150.56/1,005,212 = 220,898.40/x
  3. Step 3: Cross multiply
    670,150.56x = 1,005,212 × 220,898.40
  4. Step 4: Simplify right side
    670,150.56x = 222,049,722,460.80
  5. Step 5: Solve for x
    x = 222,049,722,460.80/670,150.56
  6. Step 6: Final answer
    x = 331,343.04

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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.