Home / 208,440.32-312,657.68-50,668.32

Finding the Fourth Proportional to 208,440.32, 312,657.68 and 50,668.32

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Solution

The fourth proportional to 208,440.32, 312,657.68 and 50,668.32 is: 76,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,440.32 : 312,657.68 = 50,668.32 : x
  2. Step 2: Convert to fraction form
    208,440.32/312,657.68 = 50,668.32/x
  3. Step 3: Cross multiply
    208,440.32x = 312,657.68 × 50,668.32
  4. Step 4: Simplify right side
    208,440.32x = 15,841,839,380.70
  5. Step 5: Solve for x
    x = 15,841,839,380.70/208,440.32
  6. Step 6: Final answer
    x = 76,001.80

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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.