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Finding the Fourth Proportional to 171,309.04, 256,962.12 and 133,900.58

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Solution

The fourth proportional to 171,309.04, 256,962.12 and 133,900.58 is: 200,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,309.04 : 256,962.12 = 133,900.58 : x
  2. Step 2: Convert to fraction form
    171,309.04/256,962.12 = 133,900.58/x
  3. Step 3: Cross multiply
    171,309.04x = 256,962.12 × 133,900.58
  4. Step 4: Simplify right side
    171,309.04x = 34,407,376,906.03
  5. Step 5: Solve for x
    x = 34,407,376,906.03/171,309.04
  6. Step 6: Final answer
    x = 200,849.74

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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.