Home / 215,664.70-323,497.05-197,002.30

Finding the Fourth Proportional to 215,664.70, 323,497.05 and 197,002.30

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Solution

The fourth proportional to 215,664.70, 323,497.05 and 197,002.30 is: 295,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664.70 : 323,497.05 = 197,002.30 : x
  2. Step 2: Convert to fraction form
    215,664.70/323,497.05 = 197,002.30/x
  3. Step 3: Cross multiply
    215,664.70x = 323,497.05 × 197,002.30
  4. Step 4: Simplify right side
    215,664.70x = 63,729,662,893.22
  5. Step 5: Solve for x
    x = 63,729,662,893.22/215,664.70
  6. Step 6: Final answer
    x = 295,503.45

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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.