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Finding the Fourth Proportional to 333,293.96, 499,929.71 and 133,560.72

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Solution

The fourth proportional to 333,293.96, 499,929.71 and 133,560.72 is: 200,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,293.96 : 499,929.71 = 133,560.72 : x
  2. Step 2: Convert to fraction form
    333,293.96/499,929.71 = 133,560.72/x
  3. Step 3: Cross multiply
    333,293.96x = 499,929.71 × 133,560.72
  4. Step 4: Simplify right side
    333,293.96x = 66,770,971,349.19
  5. Step 5: Solve for x
    x = 66,770,971,349.19/333,293.96
  6. Step 6: Final answer
    x = 200,336.58

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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.