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Finding the Fourth Proportional to 222,752.80, 334,129.20 and 98,336.80

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Solution

The fourth proportional to 222,752.80, 334,129.20 and 98,336.80 is: 147,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,752.80 : 334,129.20 = 98,336.80 : x
  2. Step 2: Convert to fraction form
    222,752.80/334,129.20 = 98,336.80/x
  3. Step 3: Cross multiply
    222,752.80x = 334,129.20 × 98,336.80
  4. Step 4: Simplify right side
    222,752.80x = 32,857,196,314.56
  5. Step 5: Solve for x
    x = 32,857,196,314.56/222,752.80
  6. Step 6: Final answer
    x = 147,505.20

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1.5x scale

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.