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Finding the Fourth Proportional to 358,124.45, 494,281.95 and 205,265.11

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Solution

The fourth proportional to 358,124.45, 494,281.95 and 205,265.11 is: 283,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,124.45 : 494,281.95 = 205,265.11 : x
  2. Step 2: Convert to fraction form
    358,124.45/494,281.95 = 205,265.11/x
  3. Step 3: Cross multiply
    358,124.45x = 494,281.95 × 205,265.11
  4. Step 4: Simplify right side
    358,124.45x = 101,458,837,759.09
  5. Step 5: Solve for x
    x = 101,458,837,759.09/358,124.45
  6. Step 6: Final answer
    x = 283,306.09

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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.