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Finding the Fourth Proportional to 377,950.87, 521,573.61 and 208,184.59

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Solution

The fourth proportional to 377,950.87, 521,573.61 and 208,184.59 is: 287,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,950.87 : 521,573.61 = 208,184.59 : x
  2. Step 2: Convert to fraction form
    377,950.87/521,573.61 = 208,184.59/x
  3. Step 3: Cross multiply
    377,950.87x = 521,573.61 × 208,184.59
  4. Step 4: Simplify right side
    377,950.87x = 108,583,588,152.67
  5. Step 5: Solve for x
    x = 108,583,588,152.67/377,950.87
  6. Step 6: Final answer
    x = 287,295.51

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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.