Home / 205,516.20-308,274.30-57,772.20

Finding the Fourth Proportional to 205,516.20, 308,274.30 and 57,772.20

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Solution

The fourth proportional to 205,516.20, 308,274.30 and 57,772.20 is: 86,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,516.20 : 308,274.30 = 57,772.20 : x
  2. Step 2: Convert to fraction form
    205,516.20/308,274.30 = 57,772.20/x
  3. Step 3: Cross multiply
    205,516.20x = 308,274.30 × 57,772.20
  4. Step 4: Simplify right side
    205,516.20x = 17,809,684,514.46
  5. Step 5: Solve for x
    x = 17,809,684,514.46/205,516.20
  6. Step 6: Final answer
    x = 86,658.30

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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.