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Finding the Fourth Proportional to 636,227.01, 954,315.60 and 215,502.88

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Solution

The fourth proportional to 636,227.01, 954,315.60 and 215,502.88 is: 323,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,227.01 : 954,315.60 = 215,502.88 : x
  2. Step 2: Convert to fraction form
    636,227.01/954,315.60 = 215,502.88/x
  3. Step 3: Cross multiply
    636,227.01x = 954,315.60 × 215,502.88
  4. Step 4: Simplify right side
    636,227.01x = 205,657,760,228.93
  5. Step 5: Solve for x
    x = 205,657,760,228.93/636,227.01
  6. Step 6: Final answer
    x = 323,245.88

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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.