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Finding the Fourth Proportional to 229,232.20, 316,324.58 and 127,249.64

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Solution

The fourth proportional to 229,232.20, 316,324.58 and 127,249.64 is: 175,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,232.20 : 316,324.58 = 127,249.64 : x
  2. Step 2: Convert to fraction form
    229,232.20/316,324.58 = 127,249.64/x
  3. Step 3: Cross multiply
    229,232.20x = 316,324.58 × 127,249.64
  4. Step 4: Simplify right side
    229,232.20x = 40,252,188,928.15
  5. Step 5: Solve for x
    x = 40,252,188,928.15/229,232.20
  6. Step 6: Final answer
    x = 175,595.70

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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.