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Finding the Fourth Proportional to 223,273.73, 334,921.55 and 90,137.39

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Solution

The fourth proportional to 223,273.73, 334,921.55 and 90,137.39 is: 135,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,273.73 : 334,921.55 = 90,137.39 : x
  2. Step 2: Convert to fraction form
    223,273.73/334,921.55 = 90,137.39/x
  3. Step 3: Cross multiply
    223,273.73x = 334,921.55 × 90,137.39
  4. Step 4: Simplify right side
    223,273.73x = 30,188,952,246.46
  5. Step 5: Solve for x
    x = 30,188,952,246.46/223,273.73
  6. Step 6: Final answer
    x = 135,210.50

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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.