Home / 208,496.40-312,741.84-50,725

Finding the Fourth Proportional to 208,496.40, 312,741.84 and 50,725

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Solution

The fourth proportional to 208,496.40, 312,741.84 and 50,725 is: 76,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,496.40 : 312,741.84 = 50,725 : x
  2. Step 2: Convert to fraction form
    208,496.40/312,741.84 = 50,725/x
  3. Step 3: Cross multiply
    208,496.40x = 312,741.84 × 50,725
  4. Step 4: Simplify right side
    208,496.40x = 15,863,829,834.00
  5. Step 5: Solve for x
    x = 15,863,829,834.00/208,496.40
  6. Step 6: Final answer
    x = 76,086.83

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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.