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Finding the Fourth Proportional to 222,746.80, 334,160.70 and 72,945.40

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Solution

The fourth proportional to 222,746.80, 334,160.70 and 72,945.40 is: 109,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,746.80 : 334,160.70 = 72,945.40 : x
  2. Step 2: Convert to fraction form
    222,746.80/334,160.70 = 72,945.40/x
  3. Step 3: Cross multiply
    222,746.80x = 334,160.70 × 72,945.40
  4. Step 4: Simplify right side
    222,746.80x = 24,375,485,925.78
  5. Step 5: Solve for x
    x = 24,375,485,925.78/222,746.80
  6. Step 6: Final answer
    x = 109,431.36

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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.