Home / 355,789.76-491,150.18-226,901.18

Finding the Fourth Proportional to 355,789.76, 491,150.18 and 226,901.18

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Solution

The fourth proportional to 355,789.76, 491,150.18 and 226,901.18 is: 313,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,789.76 : 491,150.18 = 226,901.18 : x
  2. Step 2: Convert to fraction form
    355,789.76/491,150.18 = 226,901.18/x
  3. Step 3: Cross multiply
    355,789.76x = 491,150.18 × 226,901.18
  4. Step 4: Simplify right side
    355,789.76x = 111,442,551,808.96
  5. Step 5: Solve for x
    x = 111,442,551,808.96/355,789.76
  6. Step 6: Final answer
    x = 313,225.86

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1.5x scale

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.