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Finding the Fourth Proportional to 222,900.91, 334,273.59 and 98,173.87

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Solution

The fourth proportional to 222,900.91, 334,273.59 and 98,173.87 is: 147,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,900.91 : 334,273.59 = 98,173.87 : x
  2. Step 2: Convert to fraction form
    222,900.91/334,273.59 = 98,173.87/x
  3. Step 3: Cross multiply
    222,900.91x = 334,273.59 × 98,173.87
  4. Step 4: Simplify right side
    222,900.91x = 32,816,931,133.41
  5. Step 5: Solve for x
    x = 32,816,931,133.41/222,900.91
  6. Step 6: Final answer
    x = 147,226.55

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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.