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Finding the Fourth Proportional to 301,891.28, 416,594.76 and 167,752.40

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Solution

The fourth proportional to 301,891.28, 416,594.76 and 167,752.40 is: 231,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,891.28 : 416,594.76 = 167,752.40 : x
  2. Step 2: Convert to fraction form
    301,891.28/416,594.76 = 167,752.40/x
  3. Step 3: Cross multiply
    301,891.28x = 416,594.76 × 167,752.40
  4. Step 4: Simplify right side
    301,891.28x = 69,884,770,817.42
  5. Step 5: Solve for x
    x = 69,884,770,817.42/301,891.28
  6. Step 6: Final answer
    x = 231,489.86

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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.