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Finding the Fourth Proportional to 461,308.33, 636,497.04 and 280,015.75

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Solution

The fourth proportional to 461,308.33, 636,497.04 and 280,015.75 is: 386,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,308.33 : 636,497.04 = 280,015.75 : x
  2. Step 2: Convert to fraction form
    461,308.33/636,497.04 = 280,015.75/x
  3. Step 3: Cross multiply
    461,308.33x = 636,497.04 × 280,015.75
  4. Step 4: Simplify right side
    461,308.33x = 178,229,196,028.38
  5. Step 5: Solve for x
    x = 178,229,196,028.38/461,308.33
  6. Step 6: Final answer
    x = 386,355.90

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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.