Home / 808,166.13-1,212,255.26-358,766.18

Finding the Fourth Proportional to 808,166.13, 1,212,255.26 and 358,766.18

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Solution

The fourth proportional to 808,166.13, 1,212,255.26 and 358,766.18 is: 538,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,166.13 : 1,212,255.26 = 358,766.18 : x
  2. Step 2: Convert to fraction form
    808,166.13/1,212,255.26 = 358,766.18/x
  3. Step 3: Cross multiply
    808,166.13x = 1,212,255.26 × 358,766.18
  4. Step 4: Simplify right side
    808,166.13x = 434,916,188,815.11
  5. Step 5: Solve for x
    x = 434,916,188,815.11/808,166.13
  6. Step 6: Final answer
    x = 538,151.96

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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.