Home / 217,427.35-326,171.78-67,682.77

Finding the Fourth Proportional to 217,427.35, 326,171.78 and 67,682.77

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Solution

The fourth proportional to 217,427.35, 326,171.78 and 67,682.77 is: 101,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,427.35 : 326,171.78 = 67,682.77 : x
  2. Step 2: Convert to fraction form
    217,427.35/326,171.78 = 67,682.77/x
  3. Step 3: Cross multiply
    217,427.35x = 326,171.78 × 67,682.77
  4. Step 4: Simplify right side
    217,427.35x = 22,076,208,920.01
  5. Step 5: Solve for x
    x = 22,076,208,920.01/217,427.35
  6. Step 6: Final answer
    x = 101,533.73

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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.