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Finding the Fourth Proportional to 319,589.28, 479,259.38 and 119,800.69

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Solution

The fourth proportional to 319,589.28, 479,259.38 and 119,800.69 is: 179,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,589.28 : 479,259.38 = 119,800.69 : x
  2. Step 2: Convert to fraction form
    319,589.28/479,259.38 = 119,800.69/x
  3. Step 3: Cross multiply
    319,589.28x = 479,259.38 × 119,800.69
  4. Step 4: Simplify right side
    319,589.28x = 57,415,603,514.33
  5. Step 5: Solve for x
    x = 57,415,603,514.33/319,589.28
  6. Step 6: Final answer
    x = 179,654.35

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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.