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Finding the Fourth Proportional to 636,010.14, 954,059.37 and 215,143.74

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Solution

The fourth proportional to 636,010.14, 954,059.37 and 215,143.74 is: 322,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,010.14 : 954,059.37 = 215,143.74 : x
  2. Step 2: Convert to fraction form
    636,010.14/954,059.37 = 215,143.74/x
  3. Step 3: Cross multiply
    636,010.14x = 954,059.37 × 215,143.74
  4. Step 4: Simplify right side
    636,010.14x = 205,259,901,043.84
  5. Step 5: Solve for x
    x = 205,259,901,043.84/636,010.14
  6. Step 6: Final answer
    x = 322,730.55

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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.