Home / 319,047.11-478,579.94-119,329.38

Finding the Fourth Proportional to 319,047.11, 478,579.94 and 119,329.38

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Solution

The fourth proportional to 319,047.11, 478,579.94 and 119,329.38 is: 178,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,047.11 : 478,579.94 = 119,329.38 : x
  2. Step 2: Convert to fraction form
    319,047.11/478,579.94 = 119,329.38/x
  3. Step 3: Cross multiply
    319,047.11x = 478,579.94 × 119,329.38
  4. Step 4: Simplify right side
    319,047.11x = 57,108,646,923.99
  5. Step 5: Solve for x
    x = 57,108,646,923.99/319,047.11
  6. Step 6: Final answer
    x = 178,997.54

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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.