Home / 205,576.74-308,400.27-70,634.34

Finding the Fourth Proportional to 205,576.74, 308,400.27 and 70,634.34

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Solution

The fourth proportional to 205,576.74, 308,400.27 and 70,634.34 is: 105,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,576.74 : 308,400.27 = 70,634.34 : x
  2. Step 2: Convert to fraction form
    205,576.74/308,400.27 = 70,634.34/x
  3. Step 3: Cross multiply
    205,576.74x = 308,400.27 × 70,634.34
  4. Step 4: Simplify right side
    205,576.74x = 21,783,649,527.27
  5. Step 5: Solve for x
    x = 21,783,649,527.27/205,576.74
  6. Step 6: Final answer
    x = 105,963.59

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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.