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Finding the Fourth Proportional to 461,203.09, 636,363.04 and 280,010.29

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Solution

The fourth proportional to 461,203.09, 636,363.04 and 280,010.29 is: 386,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,203.09 : 636,363.04 = 280,010.29 : x
  2. Step 2: Convert to fraction form
    461,203.09/636,363.04 = 280,010.29/x
  3. Step 3: Cross multiply
    461,203.09x = 636,363.04 × 280,010.29
  4. Step 4: Simplify right side
    461,203.09x = 178,188,199,375.68
  5. Step 5: Solve for x
    x = 178,188,199,375.68/461,203.09
  6. Step 6: Final answer
    x = 386,355.17

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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.