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Finding the Fourth Proportional to 224,217.44, 309,245.11 and 143,652.51

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Solution

The fourth proportional to 224,217.44, 309,245.11 and 143,652.51 is: 198,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,217.44 : 309,245.11 = 143,652.51 : x
  2. Step 2: Convert to fraction form
    224,217.44/309,245.11 = 143,652.51/x
  3. Step 3: Cross multiply
    224,217.44x = 309,245.11 × 143,652.51
  4. Step 4: Simplify right side
    224,217.44x = 44,423,835,897.59
  5. Step 5: Solve for x
    x = 44,423,835,897.59/224,217.44
  6. Step 6: Final answer
    x = 198,128.37

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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.