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Finding the Fourth Proportional to 281,767.20, 423,039.60 and 222,669.60

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Solution

The fourth proportional to 281,767.20, 423,039.60 and 222,669.60 is: 334,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,767.20 : 423,039.60 = 222,669.60 : x
  2. Step 2: Convert to fraction form
    281,767.20/423,039.60 = 222,669.60/x
  3. Step 3: Cross multiply
    281,767.20x = 423,039.60 × 222,669.60
  4. Step 4: Simplify right side
    281,767.20x = 94,198,058,516.16
  5. Step 5: Solve for x
    x = 94,198,058,516.16/281,767.20
  6. Step 6: Final answer
    x = 334,311.65

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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.