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Finding the Fourth Proportional to 265,626, 398,198.88 and 97,027.38

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Solution

The fourth proportional to 265,626, 398,198.88 and 97,027.38 is: 145,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,626 : 398,198.88 = 97,027.38 : x
  2. Step 2: Convert to fraction form
    265,626/398,198.88 = 97,027.38/x
  3. Step 3: Cross multiply
    265,626x = 398,198.88 × 97,027.38
  4. Step 4: Simplify right side
    265,626x = 38,636,194,045.33
  5. Step 5: Solve for x
    x = 38,636,194,045.33/265,626
  6. Step 6: Final answer
    x = 145,453.36

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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.