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Finding the Fourth Proportional to 303,494.85, 455,199.07 and 123,658.71

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Solution

The fourth proportional to 303,494.85, 455,199.07 and 123,658.71 is: 185,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,494.85 : 455,199.07 = 123,658.71 : x
  2. Step 2: Convert to fraction form
    303,494.85/455,199.07 = 123,658.71/x
  3. Step 3: Cross multiply
    303,494.85x = 455,199.07 × 123,658.71
  4. Step 4: Simplify right side
    303,494.85x = 56,289,329,171.11
  5. Step 5: Solve for x
    x = 56,289,329,171.11/303,494.85
  6. Step 6: Final answer
    x = 185,470.46

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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.