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Finding the Fourth Proportional to 235,120.32, 324,565.32 and 158,742.84

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Solution

The fourth proportional to 235,120.32, 324,565.32 and 158,742.84 is: 219,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,120.32 : 324,565.32 = 158,742.84 : x
  2. Step 2: Convert to fraction form
    235,120.32/324,565.32 = 158,742.84/x
  3. Step 3: Cross multiply
    235,120.32x = 324,565.32 × 158,742.84
  4. Step 4: Simplify right side
    235,120.32x = 51,522,420,662.31
  5. Step 5: Solve for x
    x = 51,522,420,662.31/235,120.32
  6. Step 6: Final answer
    x = 219,132.15

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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.