Home / 361,200.08-498,451.07-208,238.58

Finding the Fourth Proportional to 361,200.08, 498,451.07 and 208,238.58

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Solution

The fourth proportional to 361,200.08, 498,451.07 and 208,238.58 is: 287,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,200.08 : 498,451.07 = 208,238.58 : x
  2. Step 2: Convert to fraction form
    361,200.08/498,451.07 = 208,238.58/x
  3. Step 3: Cross multiply
    361,200.08x = 498,451.07 × 208,238.58
  4. Step 4: Simplify right side
    361,200.08x = 103,796,743,536.88
  5. Step 5: Solve for x
    x = 103,796,743,536.88/361,200.08
  6. Step 6: Final answer
    x = 287,366.33

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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.