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Finding the Fourth Proportional to 601,421.35, 901,500.28 and 222,100.31

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Solution

The fourth proportional to 601,421.35, 901,500.28 and 222,100.31 is: 332,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,421.35 : 901,500.28 = 222,100.31 : x
  2. Step 2: Convert to fraction form
    601,421.35/901,500.28 = 222,100.31/x
  3. Step 3: Cross multiply
    601,421.35x = 901,500.28 × 222,100.31
  4. Step 4: Simplify right side
    601,421.35x = 200,223,491,653.09
  5. Step 5: Solve for x
    x = 200,223,491,653.09/601,421.35
  6. Step 6: Final answer
    x = 332,917.17

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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.