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Finding the Fourth Proportional to 319,614.78, 479,297.55 and 119,826.27

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Solution

The fourth proportional to 319,614.78, 479,297.55 and 119,826.27 is: 179,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,614.78 : 479,297.55 = 119,826.27 : x
  2. Step 2: Convert to fraction form
    319,614.78/479,297.55 = 119,826.27/x
  3. Step 3: Cross multiply
    319,614.78x = 479,297.55 × 119,826.27
  4. Step 4: Simplify right side
    319,614.78x = 57,432,437,636.64
  5. Step 5: Solve for x
    x = 57,432,437,636.64/319,614.78
  6. Step 6: Final answer
    x = 179,692.68

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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.