Home / 491,899.92-737,210.79-221,829.72

Finding the Fourth Proportional to 491,899.92, 737,210.79 and 221,829.72

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Solution

The fourth proportional to 491,899.92, 737,210.79 and 221,829.72 is: 332,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,899.92 : 737,210.79 = 221,829.72 : x
  2. Step 2: Convert to fraction form
    491,899.92/737,210.79 = 221,829.72/x
  3. Step 3: Cross multiply
    491,899.92x = 737,210.79 × 221,829.72
  4. Step 4: Simplify right side
    491,899.92x = 163,535,263,126.68
  5. Step 5: Solve for x
    x = 163,535,263,126.68/491,899.92
  6. Step 6: Final answer
    x = 332,456.37

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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.