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Finding the Fourth Proportional to 365,358.64, 548,092.64 and 112,618.12

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Solution

The fourth proportional to 365,358.64, 548,092.64 and 112,618.12 is: 168,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,358.64 : 548,092.64 = 112,618.12 : x
  2. Step 2: Convert to fraction form
    365,358.64/548,092.64 = 112,618.12/x
  3. Step 3: Cross multiply
    365,358.64x = 548,092.64 × 112,618.12
  4. Step 4: Simplify right side
    365,358.64x = 61,725,162,702.64
  5. Step 5: Solve for x
    x = 61,725,162,702.64/365,358.64
  6. Step 6: Final answer
    x = 168,944.03

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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.