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Finding the Fourth Proportional to 286,265.92, 395,059.30 and 158,941.52

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Solution

The fourth proportional to 286,265.92, 395,059.30 and 158,941.52 is: 219,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,265.92 : 395,059.30 = 158,941.52 : x
  2. Step 2: Convert to fraction form
    286,265.92/395,059.30 = 158,941.52/x
  3. Step 3: Cross multiply
    286,265.92x = 395,059.30 × 158,941.52
  4. Step 4: Simplify right side
    286,265.92x = 62,791,325,632.14
  5. Step 5: Solve for x
    x = 62,791,325,632.14/286,265.92
  6. Step 6: Final answer
    x = 219,346.14

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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.