Home / 340,121.60-469,366.86-187,169.69

Finding the Fourth Proportional to 340,121.60, 469,366.86 and 187,169.69

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Solution

The fourth proportional to 340,121.60, 469,366.86 and 187,169.69 is: 258,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,121.60 : 469,366.86 = 187,169.69 : x
  2. Step 2: Convert to fraction form
    340,121.60/469,366.86 = 187,169.69/x
  3. Step 3: Cross multiply
    340,121.60x = 469,366.86 × 187,169.69
  4. Step 4: Simplify right side
    340,121.60x = 87,851,247,335.64
  5. Step 5: Solve for x
    x = 87,851,247,335.64/340,121.60
  6. Step 6: Final answer
    x = 258,293.65

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1.5x scale

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.