Home / 377,861.46-521,447.85-208,095.54

Finding the Fourth Proportional to 377,861.46, 521,447.85 and 208,095.54

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Solution

The fourth proportional to 377,861.46, 521,447.85 and 208,095.54 is: 287,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,861.46 : 521,447.85 = 208,095.54 : x
  2. Step 2: Convert to fraction form
    377,861.46/521,447.85 = 208,095.54/x
  3. Step 3: Cross multiply
    377,861.46x = 521,447.85 × 208,095.54
  4. Step 4: Simplify right side
    377,861.46x = 108,510,971,927.59
  5. Step 5: Solve for x
    x = 108,510,971,927.59/377,861.46
  6. Step 6: Final answer
    x = 287,171.31

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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.