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Finding the Fourth Proportional to 207,342, 286,166.52 and 156,953.52

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Solution

The fourth proportional to 207,342, 286,166.52 and 156,953.52 is: 216,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,342 : 286,166.52 = 156,953.52 : x
  2. Step 2: Convert to fraction form
    207,342/286,166.52 = 156,953.52/x
  3. Step 3: Cross multiply
    207,342x = 286,166.52 × 156,953.52
  4. Step 4: Simplify right side
    207,342x = 44,914,842,620.15
  5. Step 5: Solve for x
    x = 44,914,842,620.15/207,342
  6. Step 6: Final answer
    x = 216,622.02

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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.