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Finding the Fourth Proportional to 492,670.60, 739,200.30 and 193,100.20

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Solution

The fourth proportional to 492,670.60, 739,200.30 and 193,100.20 is: 289,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,670.60 : 739,200.30 = 193,100.20 : x
  2. Step 2: Convert to fraction form
    492,670.60/739,200.30 = 193,100.20/x
  3. Step 3: Cross multiply
    492,670.60x = 739,200.30 × 193,100.20
  4. Step 4: Simplify right side
    492,670.60x = 142,739,725,770.06
  5. Step 5: Solve for x
    x = 142,739,725,770.06/492,670.60
  6. Step 6: Final answer
    x = 289,726.49

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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.