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Finding the Fourth Proportional to 372,439.64, 558,692.38 and 106,194.44

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Solution

The fourth proportional to 372,439.64, 558,692.38 and 106,194.44 is: 159,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,439.64 : 558,692.38 = 106,194.44 : x
  2. Step 2: Convert to fraction form
    372,439.64/558,692.38 = 106,194.44/x
  3. Step 3: Cross multiply
    372,439.64x = 558,692.38 × 106,194.44
  4. Step 4: Simplify right side
    372,439.64x = 59,330,024,426.37
  5. Step 5: Solve for x
    x = 59,330,024,426.37/372,439.64
  6. Step 6: Final answer
    x = 159,301.05

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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.