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Finding the Fourth Proportional to 257,717, 355,804.98 and 168,448.52

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Solution

The fourth proportional to 257,717, 355,804.98 and 168,448.52 is: 232,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,717 : 355,804.98 = 168,448.52 : x
  2. Step 2: Convert to fraction form
    257,717/355,804.98 = 168,448.52/x
  3. Step 3: Cross multiply
    257,717x = 355,804.98 × 168,448.52
  4. Step 4: Simplify right side
    257,717x = 59,934,822,289.63
  5. Step 5: Solve for x
    x = 59,934,822,289.63/257,717
  6. Step 6: Final answer
    x = 232,560.61

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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.