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Finding the Fourth Proportional to 222,744.20, 334,116.30 and 220,411.40

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Solution

The fourth proportional to 222,744.20, 334,116.30 and 220,411.40 is: 330,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,744.20 : 334,116.30 = 220,411.40 : x
  2. Step 2: Convert to fraction form
    222,744.20/334,116.30 = 220,411.40/x
  3. Step 3: Cross multiply
    222,744.20x = 334,116.30 × 220,411.40
  4. Step 4: Simplify right side
    222,744.20x = 73,643,041,445.82
  5. Step 5: Solve for x
    x = 73,643,041,445.82/222,744.20
  6. Step 6: Final answer
    x = 330,617.10

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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.