Home / 493,214.20-680,635.52-266,859.72

Finding the Fourth Proportional to 493,214.20, 680,635.52 and 266,859.72

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Solution

The fourth proportional to 493,214.20, 680,635.52 and 266,859.72 is: 368,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,214.20 : 680,635.52 = 266,859.72 : x
  2. Step 2: Convert to fraction form
    493,214.20/680,635.52 = 266,859.72/x
  3. Step 3: Cross multiply
    493,214.20x = 680,635.52 × 266,859.72
  4. Step 4: Simplify right side
    493,214.20x = 181,634,204,289.25
  5. Step 5: Solve for x
    x = 181,634,204,289.25/493,214.20
  6. Step 6: Final answer
    x = 368,266.37

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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.