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Finding the Fourth Proportional to 133,570.62, 200,309.79 and 38,775.09

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Solution

The fourth proportional to 133,570.62, 200,309.79 and 38,775.09 is: 58,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,570.62 : 200,309.79 = 38,775.09 : x
  2. Step 2: Convert to fraction form
    133,570.62/200,309.79 = 38,775.09/x
  3. Step 3: Cross multiply
    133,570.62x = 200,309.79 × 38,775.09
  4. Step 4: Simplify right side
    133,570.62x = 7,767,030,135.13
  5. Step 5: Solve for x
    x = 7,767,030,135.13/133,570.62
  6. Step 6: Final answer
    x = 58,149.24

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1.5x scale

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.