Home / 441,277.38-661,923.36-213,440.58

Finding the Fourth Proportional to 441,277.38, 661,923.36 and 213,440.58

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Solution

The fourth proportional to 441,277.38, 661,923.36 and 213,440.58 is: 320,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,277.38 : 661,923.36 = 213,440.58 : x
  2. Step 2: Convert to fraction form
    441,277.38/661,923.36 = 213,440.58/x
  3. Step 3: Cross multiply
    441,277.38x = 661,923.36 × 213,440.58
  4. Step 4: Simplify right side
    441,277.38x = 141,281,305,873.95
  5. Step 5: Solve for x
    x = 141,281,305,873.95/441,277.38
  6. Step 6: Final answer
    x = 320,164.40

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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.