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Finding the Fourth Proportional to 230,420.44, 345,319.62 and 119,690.20

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Solution

The fourth proportional to 230,420.44, 345,319.62 and 119,690.20 is: 179,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,420.44 : 345,319.62 = 119,690.20 : x
  2. Step 2: Convert to fraction form
    230,420.44/345,319.62 = 119,690.20/x
  3. Step 3: Cross multiply
    230,420.44x = 345,319.62 × 119,690.20
  4. Step 4: Simplify right side
    230,420.44x = 41,331,374,381.72
  5. Step 5: Solve for x
    x = 41,331,374,381.72/230,420.44
  6. Step 6: Final answer
    x = 179,373.73

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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.