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Finding the Fourth Proportional to 377,805.24, 521,368.68 and 208,038

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Solution

The fourth proportional to 377,805.24, 521,368.68 and 208,038 is: 287,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,805.24 : 521,368.68 = 208,038 : x
  2. Step 2: Convert to fraction form
    377,805.24/521,368.68 = 208,038/x
  3. Step 3: Cross multiply
    377,805.24x = 521,368.68 × 208,038
  4. Step 4: Simplify right side
    377,805.24x = 108,464,497,449.84
  5. Step 5: Solve for x
    x = 108,464,497,449.84/377,805.24
  6. Step 6: Final answer
    x = 287,091.04

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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.