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Finding the Fourth Proportional to 444,007.86, 612,721.71 and 242,803.86

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Solution

The fourth proportional to 444,007.86, 612,721.71 and 242,803.86 is: 335,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,007.86 : 612,721.71 = 242,803.86 : x
  2. Step 2: Convert to fraction form
    444,007.86/612,721.71 = 242,803.86/x
  3. Step 3: Cross multiply
    444,007.86x = 612,721.71 × 242,803.86
  4. Step 4: Simplify right side
    444,007.86x = 148,771,196,293.80
  5. Step 5: Solve for x
    x = 148,771,196,293.80/444,007.86
  6. Step 6: Final answer
    x = 335,064.33

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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.