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Finding the Fourth Proportional to 222,785.78, 334,210.51 and 72,994.10

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Solution

The fourth proportional to 222,785.78, 334,210.51 and 72,994.10 is: 109,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,785.78 : 334,210.51 = 72,994.10 : x
  2. Step 2: Convert to fraction form
    222,785.78/334,210.51 = 72,994.10/x
  3. Step 3: Cross multiply
    222,785.78x = 334,210.51 × 72,994.10
  4. Step 4: Simplify right side
    222,785.78x = 24,395,395,387.99
  5. Step 5: Solve for x
    x = 24,395,395,387.99/222,785.78
  6. Step 6: Final answer
    x = 109,501.58

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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.