Home / 319,045.11-478,576.94-119,327.38

Finding the Fourth Proportional to 319,045.11, 478,576.94 and 119,327.38

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Solution

The fourth proportional to 319,045.11, 478,576.94 and 119,327.38 is: 178,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,045.11 : 478,576.94 = 119,327.38 : x
  2. Step 2: Convert to fraction form
    319,045.11/478,576.94 = 119,327.38/x
  3. Step 3: Cross multiply
    319,045.11x = 478,576.94 × 119,327.38
  4. Step 4: Simplify right side
    319,045.11x = 57,107,332,378.62
  5. Step 5: Solve for x
    x = 57,107,332,378.62/319,045.11
  6. Step 6: Final answer
    x = 178,994.54

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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.