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Finding the Fourth Proportional to 353,329, 487,594.02 and 202,513.48

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Solution

The fourth proportional to 353,329, 487,594.02 and 202,513.48 is: 279,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,329 : 487,594.02 = 202,513.48 : x
  2. Step 2: Convert to fraction form
    353,329/487,594.02 = 202,513.48/x
  3. Step 3: Cross multiply
    353,329x = 487,594.02 × 202,513.48
  4. Step 4: Simplify right side
    353,329x = 98,744,361,817.39
  5. Step 5: Solve for x
    x = 98,744,361,817.39/353,329
  6. Step 6: Final answer
    x = 279,468.60

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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.