Home / 282,822.70-390,272.08-166,517.68

Finding the Fourth Proportional to 282,822.70, 390,272.08 and 166,517.68

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Solution

The fourth proportional to 282,822.70, 390,272.08 and 166,517.68 is: 229,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,822.70 : 390,272.08 = 166,517.68 : x
  2. Step 2: Convert to fraction form
    282,822.70/390,272.08 = 166,517.68/x
  3. Step 3: Cross multiply
    282,822.70x = 390,272.08 × 166,517.68
  4. Step 4: Simplify right side
    282,822.70x = 64,987,201,330.37
  5. Step 5: Solve for x
    x = 64,987,201,330.37/282,822.70
  6. Step 6: Final answer
    x = 229,780.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.