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Finding the Fourth Proportional to 201,932.10, 302,898.15 and 200,549.70

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Solution

The fourth proportional to 201,932.10, 302,898.15 and 200,549.70 is: 300,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,932.10 : 302,898.15 = 200,549.70 : x
  2. Step 2: Convert to fraction form
    201,932.10/302,898.15 = 200,549.70/x
  3. Step 3: Cross multiply
    201,932.10x = 302,898.15 × 200,549.70
  4. Step 4: Simplify right side
    201,932.10x = 60,746,133,113.06
  5. Step 5: Solve for x
    x = 60,746,133,113.06/201,932.10
  6. Step 6: Final answer
    x = 300,824.55

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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.