Home / 377,815.59-521,383.23-208,048.50

Finding the Fourth Proportional to 377,815.59, 521,383.23 and 208,048.50

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Solution

The fourth proportional to 377,815.59, 521,383.23 and 208,048.50 is: 287,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,815.59 : 521,383.23 = 208,048.50 : x
  2. Step 2: Convert to fraction form
    377,815.59/521,383.23 = 208,048.50/x
  3. Step 3: Cross multiply
    377,815.59x = 521,383.23 × 208,048.50
  4. Step 4: Simplify right side
    377,815.59x = 108,472,998,926.66
  5. Step 5: Solve for x
    x = 108,472,998,926.66/377,815.59
  6. Step 6: Final answer
    x = 287,105.67

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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.