Home / 490,813.22-736,077.58-191,227.03

Finding the Fourth Proportional to 490,813.22, 736,077.58 and 191,227.03

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Solution

The fourth proportional to 490,813.22, 736,077.58 and 191,227.03 is: 286,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,813.22 : 736,077.58 = 191,227.03 : x
  2. Step 2: Convert to fraction form
    490,813.22/736,077.58 = 191,227.03/x
  3. Step 3: Cross multiply
    490,813.22x = 736,077.58 × 191,227.03
  4. Step 4: Simplify right side
    490,813.22x = 140,757,927,154.73
  5. Step 5: Solve for x
    x = 140,757,927,154.73/490,813.22
  6. Step 6: Final answer
    x = 286,785.12

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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.