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Finding the Fourth Proportional to 133,591.61, 200,400.57 and 38,822.63

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Solution

The fourth proportional to 133,591.61, 200,400.57 and 38,822.63 is: 58,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,591.61 : 200,400.57 = 38,822.63 : x
  2. Step 2: Convert to fraction form
    133,591.61/200,400.57 = 38,822.63/x
  3. Step 3: Cross multiply
    133,591.61x = 200,400.57 × 38,822.63
  4. Step 4: Simplify right side
    133,591.61x = 7,780,076,178.90
  5. Step 5: Solve for x
    x = 7,780,076,178.90/133,591.61
  6. Step 6: Final answer
    x = 58,237.76

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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.