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Finding the Fourth Proportional to 171,630.40, 256,927.20 and 150,894.40

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Solution

The fourth proportional to 171,630.40, 256,927.20 and 150,894.40 is: 225,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630.40 : 256,927.20 = 150,894.40 : x
  2. Step 2: Convert to fraction form
    171,630.40/256,927.20 = 150,894.40/x
  3. Step 3: Cross multiply
    171,630.40x = 256,927.20 × 150,894.40
  4. Step 4: Simplify right side
    171,630.40x = 38,768,875,687.68
  5. Step 5: Solve for x
    x = 38,768,875,687.68/171,630.40
  6. Step 6: Final answer
    x = 225,885.83

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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.