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Finding the Fourth Proportional to 319,734, 479,902.62 and 235,236.83

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Solution

The fourth proportional to 319,734, 479,902.62 and 235,236.83 is: 353,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,734 : 479,902.62 = 235,236.83 : x
  2. Step 2: Convert to fraction form
    319,734/479,902.62 = 235,236.83/x
  3. Step 3: Cross multiply
    319,734x = 479,902.62 × 235,236.83
  4. Step 4: Simplify right side
    319,734x = 112,890,769,520.12
  5. Step 5: Solve for x
    x = 112,890,769,520.12/319,734
  6. Step 6: Final answer
    x = 353,077.15

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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.