Home / 436,258.20-654,257.70-169,865.40

Finding the Fourth Proportional to 436,258.20, 654,257.70 and 169,865.40

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Solution

The fourth proportional to 436,258.20, 654,257.70 and 169,865.40 is: 254,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,258.20 : 654,257.70 = 169,865.40 : x
  2. Step 2: Convert to fraction form
    436,258.20/654,257.70 = 169,865.40/x
  3. Step 3: Cross multiply
    436,258.20x = 654,257.70 × 169,865.40
  4. Step 4: Simplify right side
    436,258.20x = 111,135,745,913.58
  5. Step 5: Solve for x
    x = 111,135,745,913.58/436,258.20
  6. Step 6: Final answer
    x = 254,747.64

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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.