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Finding the Fourth Proportional to 377,804, 521,369.52 and 208,037.72

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Solution

The fourth proportional to 377,804, 521,369.52 and 208,037.72 is: 287,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,804 : 521,369.52 = 208,037.72 : x
  2. Step 2: Convert to fraction form
    377,804/521,369.52 = 208,037.72/x
  3. Step 3: Cross multiply
    377,804x = 521,369.52 × 208,037.72
  4. Step 4: Simplify right side
    377,804x = 108,464,526,218.29
  5. Step 5: Solve for x
    x = 108,464,526,218.29/377,804
  6. Step 6: Final answer
    x = 287,092.05

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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.