Home / 208,520.46-312,780.73-50,748.92

Finding the Fourth Proportional to 208,520.46, 312,780.73 and 50,748.92

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Solution

The fourth proportional to 208,520.46, 312,780.73 and 50,748.92 is: 76,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,520.46 : 312,780.73 = 50,748.92 : x
  2. Step 2: Convert to fraction form
    208,520.46/312,780.73 = 50,748.92/x
  3. Step 3: Cross multiply
    208,520.46x = 312,780.73 × 50,748.92
  4. Step 4: Simplify right side
    208,520.46x = 15,873,284,244.31
  5. Step 5: Solve for x
    x = 15,873,284,244.31/208,520.46
  6. Step 6: Final answer
    x = 76,123.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.