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Finding the Fourth Proportional to 287,007.96, 396,179.28 and 246,559.44

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Solution

The fourth proportional to 287,007.96, 396,179.28 and 246,559.44 is: 340,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,007.96 : 396,179.28 = 246,559.44 : x
  2. Step 2: Convert to fraction form
    287,007.96/396,179.28 = 246,559.44/x
  3. Step 3: Cross multiply
    287,007.96x = 396,179.28 × 246,559.44
  4. Step 4: Simplify right side
    287,007.96x = 97,681,741,416.40
  5. Step 5: Solve for x
    x = 97,681,741,416.40/287,007.96
  6. Step 6: Final answer
    x = 340,345.06

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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.