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Finding the Fourth Proportional to 377,859.96, 521,445.78 and 208,094.04

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Solution

The fourth proportional to 377,859.96, 521,445.78 and 208,094.04 is: 287,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,859.96 : 521,445.78 = 208,094.04 : x
  2. Step 2: Convert to fraction form
    377,859.96/521,445.78 = 208,094.04/x
  3. Step 3: Cross multiply
    377,859.96x = 521,445.78 × 208,094.04
  4. Step 4: Simplify right side
    377,859.96x = 108,509,759,001.15
  5. Step 5: Solve for x
    x = 108,509,759,001.15/377,859.96
  6. Step 6: Final answer
    x = 287,169.24

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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.