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Finding the Fourth Proportional to 329,052.40, 493,578.60 and 222,764.20

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Solution

The fourth proportional to 329,052.40, 493,578.60 and 222,764.20 is: 334,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,052.40 : 493,578.60 = 222,764.20 : x
  2. Step 2: Convert to fraction form
    329,052.40/493,578.60 = 222,764.20/x
  3. Step 3: Cross multiply
    329,052.40x = 493,578.60 × 222,764.20
  4. Step 4: Simplify right side
    329,052.40x = 109,951,641,966.12
  5. Step 5: Solve for x
    x = 109,951,641,966.12/329,052.40
  6. Step 6: Final answer
    x = 334,146.30

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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.