Home / 328,977.11-493,391.86-151,313.47

Finding the Fourth Proportional to 328,977.11, 493,391.86 and 151,313.47

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Solution

The fourth proportional to 328,977.11, 493,391.86 and 151,313.47 is: 226,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,977.11 : 493,391.86 = 151,313.47 : x
  2. Step 2: Convert to fraction form
    328,977.11/493,391.86 = 151,313.47/x
  3. Step 3: Cross multiply
    328,977.11x = 493,391.86 × 151,313.47
  4. Step 4: Simplify right side
    328,977.11x = 74,656,832,794.59
  5. Step 5: Solve for x
    x = 74,656,832,794.59/328,977.11
  6. Step 6: Final answer
    x = 226,936.25

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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.