Home / 645,214.56-967,625.04-171,838.44

Finding the Fourth Proportional to 645,214.56, 967,625.04 and 171,838.44

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Solution

The fourth proportional to 645,214.56, 967,625.04 and 171,838.44 is: 257,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,214.56 : 967,625.04 = 171,838.44 : x
  2. Step 2: Convert to fraction form
    645,214.56/967,625.04 = 171,838.44/x
  3. Step 3: Cross multiply
    645,214.56x = 967,625.04 × 171,838.44
  4. Step 4: Simplify right side
    645,214.56x = 166,275,177,378.54
  5. Step 5: Solve for x
    x = 166,275,177,378.54/645,214.56
  6. Step 6: Final answer
    x = 257,705.25

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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.