Home / 217,669.58-326,630.42-91,298.58

Finding the Fourth Proportional to 217,669.58, 326,630.42 and 91,298.58

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Solution

The fourth proportional to 217,669.58, 326,630.42 and 91,298.58 is: 137,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,669.58 : 326,630.42 = 91,298.58 : x
  2. Step 2: Convert to fraction form
    217,669.58/326,630.42 = 91,298.58/x
  3. Step 3: Cross multiply
    217,669.58x = 326,630.42 × 91,298.58
  4. Step 4: Simplify right side
    217,669.58x = 29,820,893,530.80
  5. Step 5: Solve for x
    x = 29,820,893,530.80/217,669.58
  6. Step 6: Final answer
    x = 137,000.74

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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.