Home / 217,829.10-326,743.65-164,606.70

Finding the Fourth Proportional to 217,829.10, 326,743.65 and 164,606.70

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Solution

The fourth proportional to 217,829.10, 326,743.65 and 164,606.70 is: 246,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,829.10 : 326,743.65 = 164,606.70 : x
  2. Step 2: Convert to fraction form
    217,829.10/326,743.65 = 164,606.70/x
  3. Step 3: Cross multiply
    217,829.10x = 326,743.65 × 164,606.70
  4. Step 4: Simplify right side
    217,829.10x = 53,784,193,972.46
  5. Step 5: Solve for x
    x = 53,784,193,972.46/217,829.10
  6. Step 6: Final answer
    x = 246,910.05

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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.