Home / 217,784.58-326,718.12-75,624.30

Finding the Fourth Proportional to 217,784.58, 326,718.12 and 75,624.30

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Solution

The fourth proportional to 217,784.58, 326,718.12 and 75,624.30 is: 113,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784.58 : 326,718.12 = 75,624.30 : x
  2. Step 2: Convert to fraction form
    217,784.58/326,718.12 = 75,624.30/x
  3. Step 3: Cross multiply
    217,784.58x = 326,718.12 × 75,624.30
  4. Step 4: Simplify right side
    217,784.58x = 24,707,829,122.32
  5. Step 5: Solve for x
    x = 24,707,829,122.32/217,784.58
  6. Step 6: Final answer
    x = 113,450.77

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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.