Home / 208,477.78-312,716.67-50,706.34

Finding the Fourth Proportional to 208,477.78, 312,716.67 and 50,706.34

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Solution

The fourth proportional to 208,477.78, 312,716.67 and 50,706.34 is: 76,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,477.78 : 312,716.67 = 50,706.34 : x
  2. Step 2: Convert to fraction form
    208,477.78/312,716.67 = 50,706.34/x
  3. Step 3: Cross multiply
    208,477.78x = 312,716.67 × 50,706.34
  4. Step 4: Simplify right side
    208,477.78x = 15,856,717,792.69
  5. Step 5: Solve for x
    x = 15,856,717,792.69/208,477.78
  6. Step 6: Final answer
    x = 76,059.51

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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.