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Finding the Fourth Proportional to 377,860.26, 521,470.90 and 208,094.40

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Solution

The fourth proportional to 377,860.26, 521,470.90 and 208,094.40 is: 287,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,860.26 : 521,470.90 = 208,094.40 : x
  2. Step 2: Convert to fraction form
    377,860.26/521,470.90 = 208,094.40/x
  3. Step 3: Cross multiply
    377,860.26x = 521,470.90 × 208,094.40
  4. Step 4: Simplify right side
    377,860.26x = 108,515,174,052.96
  5. Step 5: Solve for x
    x = 108,515,174,052.96/377,860.26
  6. Step 6: Final answer
    x = 287,183.35

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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.