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Finding the Fourth Proportional to 217,065.64, 325,336.02 and 111,827.20

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Solution

The fourth proportional to 217,065.64, 325,336.02 and 111,827.20 is: 167,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,065.64 : 325,336.02 = 111,827.20 : x
  2. Step 2: Convert to fraction form
    217,065.64/325,336.02 = 111,827.20/x
  3. Step 3: Cross multiply
    217,065.64x = 325,336.02 × 111,827.20
  4. Step 4: Simplify right side
    217,065.64x = 36,381,416,175.74
  5. Step 5: Solve for x
    x = 36,381,416,175.74/217,065.64
  6. Step 6: Final answer
    x = 167,605.60

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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.