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Finding the Fourth Proportional to 636,223.01, 954,309.60 and 215,498.88

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Solution

The fourth proportional to 636,223.01, 954,309.60 and 215,498.88 is: 323,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,223.01 : 954,309.60 = 215,498.88 : x
  2. Step 2: Convert to fraction form
    636,223.01/954,309.60 = 215,498.88/x
  3. Step 3: Cross multiply
    636,223.01x = 954,309.60 × 215,498.88
  4. Step 4: Simplify right side
    636,223.01x = 205,652,649,973.25
  5. Step 5: Solve for x
    x = 205,652,649,973.25/636,223.01
  6. Step 6: Final answer
    x = 323,239.88

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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.