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Finding the Fourth Proportional to 369,993.87, 510,593.18 and 200,228.04

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Solution

The fourth proportional to 369,993.87, 510,593.18 and 200,228.04 is: 276,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,993.87 : 510,593.18 = 200,228.04 : x
  2. Step 2: Convert to fraction form
    369,993.87/510,593.18 = 200,228.04/x
  3. Step 3: Cross multiply
    369,993.87x = 510,593.18 × 200,228.04
  4. Step 4: Simplify right side
    369,993.87x = 102,235,070,667.63
  5. Step 5: Solve for x
    x = 102,235,070,667.63/369,993.87
  6. Step 6: Final answer
    x = 276,315.58

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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.