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Finding the Fourth Proportional to 222,001.40, 333,002.10 and 220,446.20

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Solution

The fourth proportional to 222,001.40, 333,002.10 and 220,446.20 is: 330,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,001.40 : 333,002.10 = 220,446.20 : x
  2. Step 2: Convert to fraction form
    222,001.40/333,002.10 = 220,446.20/x
  3. Step 3: Cross multiply
    222,001.40x = 333,002.10 × 220,446.20
  4. Step 4: Simplify right side
    222,001.40x = 73,409,047,537.02
  5. Step 5: Solve for x
    x = 73,409,047,537.02/222,001.40
  6. Step 6: Final answer
    x = 330,669.30

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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.