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Finding the Fourth Proportional to 667,176, 1,000,867.68 and 224,047.68

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Solution

The fourth proportional to 667,176, 1,000,867.68 and 224,047.68 is: 336,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,176 : 1,000,867.68 = 224,047.68 : x
  2. Step 2: Convert to fraction form
    667,176/1,000,867.68 = 224,047.68/x
  3. Step 3: Cross multiply
    667,176x = 1,000,867.68 × 224,047.68
  4. Step 4: Simplify right side
    667,176x = 224,242,081,690.98
  5. Step 5: Solve for x
    x = 224,242,081,690.98/667,176
  6. Step 6: Final answer
    x = 336,106.34

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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.