Home / 257,670.52-355,584.74-142,966.62

Finding the Fourth Proportional to 257,670.52, 355,584.74 and 142,966.62

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Solution

The fourth proportional to 257,670.52, 355,584.74 and 142,966.62 is: 197,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,670.52 : 355,584.74 = 142,966.62 : x
  2. Step 2: Convert to fraction form
    257,670.52/355,584.74 = 142,966.62/x
  3. Step 3: Cross multiply
    257,670.52x = 355,584.74 × 142,966.62
  4. Step 4: Simplify right side
    257,670.52x = 50,836,747,686.55
  5. Step 5: Solve for x
    x = 50,836,747,686.55/257,670.52
  6. Step 6: Final answer
    x = 197,293.61

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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.