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Finding the Fourth Proportional to 224,380.92, 309,566.52 and 143,852.88

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Solution

The fourth proportional to 224,380.92, 309,566.52 and 143,852.88 is: 198,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,380.92 : 309,566.52 = 143,852.88 : x
  2. Step 2: Convert to fraction form
    224,380.92/309,566.52 = 143,852.88/x
  3. Step 3: Cross multiply
    224,380.92x = 309,566.52 × 143,852.88
  4. Step 4: Simplify right side
    224,380.92x = 44,532,035,453.58
  5. Step 5: Solve for x
    x = 44,532,035,453.58/224,380.92
  6. Step 6: Final answer
    x = 198,466.23

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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.