Home / 243,209.09-364,065.87-207,336.71

Finding the Fourth Proportional to 243,209.09, 364,065.87 and 207,336.71

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Solution

The fourth proportional to 243,209.09, 364,065.87 and 207,336.71 is: 310,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,209.09 : 364,065.87 = 207,336.71 : x
  2. Step 2: Convert to fraction form
    243,209.09/364,065.87 = 207,336.71/x
  3. Step 3: Cross multiply
    243,209.09x = 364,065.87 × 207,336.71
  4. Step 4: Simplify right side
    243,209.09x = 75,484,219,709.09
  5. Step 5: Solve for x
    x = 75,484,219,709.09/243,209.09
  6. Step 6: Final answer
    x = 310,367.59

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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.