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Finding the Fourth Proportional to 298,519.58, 411,951.09 and 162,555.14

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Solution

The fourth proportional to 298,519.58, 411,951.09 and 162,555.14 is: 224,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,519.58 : 411,951.09 = 162,555.14 : x
  2. Step 2: Convert to fraction form
    298,519.58/411,951.09 = 162,555.14/x
  3. Step 3: Cross multiply
    298,519.58x = 411,951.09 × 162,555.14
  4. Step 4: Simplify right side
    298,519.58x = 66,964,765,048.35
  5. Step 5: Solve for x
    x = 66,964,765,048.35/298,519.58
  6. Step 6: Final answer
    x = 224,322.86

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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.