Home / 367,976.69-551,964.59-115,276.86

Finding the Fourth Proportional to 367,976.69, 551,964.59 and 115,276.86

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Solution

The fourth proportional to 367,976.69, 551,964.59 and 115,276.86 is: 172,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,976.69 : 551,964.59 = 115,276.86 : x
  2. Step 2: Convert to fraction form
    367,976.69/551,964.59 = 115,276.86/x
  3. Step 3: Cross multiply
    367,976.69x = 551,964.59 × 115,276.86
  4. Step 4: Simplify right side
    367,976.69x = 63,628,744,622.29
  5. Step 5: Solve for x
    x = 63,628,744,622.29/367,976.69
  6. Step 6: Final answer
    x = 172,915.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.