Home / 338,146.12-506,778.54-188,380.36

Finding the Fourth Proportional to 338,146.12, 506,778.54 and 188,380.36

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Solution

The fourth proportional to 338,146.12, 506,778.54 and 188,380.36 is: 282,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,146.12 : 506,778.54 = 188,380.36 : x
  2. Step 2: Convert to fraction form
    338,146.12/506,778.54 = 188,380.36/x
  3. Step 3: Cross multiply
    338,146.12x = 506,778.54 × 188,380.36
  4. Step 4: Simplify right side
    338,146.12x = 95,467,123,805.47
  5. Step 5: Solve for x
    x = 95,467,123,805.47/338,146.12
  6. Step 6: Final answer
    x = 282,325.06

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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.