Home / 217,597.56-326,327.22-69,819

Finding the Fourth Proportional to 217,597.56, 326,327.22 and 69,819

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Solution

The fourth proportional to 217,597.56, 326,327.22 and 69,819 is: 104,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,597.56 : 326,327.22 = 69,819 : x
  2. Step 2: Convert to fraction form
    217,597.56/326,327.22 = 69,819/x
  3. Step 3: Cross multiply
    217,597.56x = 326,327.22 × 69,819
  4. Step 4: Simplify right side
    217,597.56x = 22,783,840,173.18
  5. Step 5: Solve for x
    x = 22,783,840,173.18/217,597.56
  6. Step 6: Final answer
    x = 104,706.32

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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.