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Finding the Fourth Proportional to 101,284.62, 151,919.64 and 44,364.30

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Solution

The fourth proportional to 101,284.62, 151,919.64 and 44,364.30 is: 66,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,284.62 : 151,919.64 = 44,364.30 : x
  2. Step 2: Convert to fraction form
    101,284.62/151,919.64 = 44,364.30/x
  3. Step 3: Cross multiply
    101,284.62x = 151,919.64 × 44,364.30
  4. Step 4: Simplify right side
    101,284.62x = 6,739,808,484.85
  5. Step 5: Solve for x
    x = 6,739,808,484.85/101,284.62
  6. Step 6: Final answer
    x = 66,543.26

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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.