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Finding the Fourth Proportional to 370,491.72, 511,279.08 and 200,725.86

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Solution

The fourth proportional to 370,491.72, 511,279.08 and 200,725.86 is: 277,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,491.72 : 511,279.08 = 200,725.86 : x
  2. Step 2: Convert to fraction form
    370,491.72/511,279.08 = 200,725.86/x
  3. Step 3: Cross multiply
    370,491.72x = 511,279.08 × 200,725.86
  4. Step 4: Simplify right side
    370,491.72x = 102,626,933,033.01
  5. Step 5: Solve for x
    x = 102,626,933,033.01/370,491.72
  6. Step 6: Final answer
    x = 277,001.96

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1.5x scale

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.