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Finding the Fourth Proportional to 317,197.36, 475,606.03 and 100,962.69

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Solution

The fourth proportional to 317,197.36, 475,606.03 and 100,962.69 is: 151,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,197.36 : 475,606.03 = 100,962.69 : x
  2. Step 2: Convert to fraction form
    317,197.36/475,606.03 = 100,962.69/x
  3. Step 3: Cross multiply
    317,197.36x = 475,606.03 × 100,962.69
  4. Step 4: Simplify right side
    317,197.36x = 48,018,465,186.99
  5. Step 5: Solve for x
    x = 48,018,465,186.99/317,197.36
  6. Step 6: Final answer
    x = 151,383.56

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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.