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Finding the Fourth Proportional to 488,434.46, 733,124.61 and 235,892.45

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Solution

The fourth proportional to 488,434.46, 733,124.61 and 235,892.45 is: 354,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,434.46 : 733,124.61 = 235,892.45 : x
  2. Step 2: Convert to fraction form
    488,434.46/733,124.61 = 235,892.45/x
  3. Step 3: Cross multiply
    488,434.46x = 733,124.61 × 235,892.45
  4. Step 4: Simplify right side
    488,434.46x = 172,938,556,742.57
  5. Step 5: Solve for x
    x = 172,938,556,742.57/488,434.46
  6. Step 6: Final answer
    x = 354,067.07

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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.