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Finding the Fourth Proportional to 377,794.62, 521,355.76 and 205,709.92

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Solution

The fourth proportional to 377,794.62, 521,355.76 and 205,709.92 is: 283,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,794.62 : 521,355.76 = 205,709.92 : x
  2. Step 2: Convert to fraction form
    377,794.62/521,355.76 = 205,709.92/x
  3. Step 3: Cross multiply
    377,794.62x = 521,355.76 × 205,709.92
  4. Step 4: Simplify right side
    377,794.62x = 107,248,048,045.81
  5. Step 5: Solve for x
    x = 107,248,048,045.81/377,794.62
  6. Step 6: Final answer
    x = 283,879.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.