Home / 319,618.35-479,302.83-119,829.69

Finding the Fourth Proportional to 319,618.35, 479,302.83 and 119,829.69

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Solution

The fourth proportional to 319,618.35, 479,302.83 and 119,829.69 is: 179,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,618.35 : 479,302.83 = 119,829.69 : x
  2. Step 2: Convert to fraction form
    319,618.35/479,302.83 = 119,829.69/x
  3. Step 3: Cross multiply
    319,618.35x = 479,302.83 × 119,829.69
  4. Step 4: Simplify right side
    319,618.35x = 57,434,709,535.02
  5. Step 5: Solve for x
    x = 57,434,709,535.02/319,618.35
  6. Step 6: Final answer
    x = 179,697.78

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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.