Home / 646,403.52-969,752.16-197,164.56

Finding the Fourth Proportional to 646,403.52, 969,752.16 and 197,164.56

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Solution

The fourth proportional to 646,403.52, 969,752.16 and 197,164.56 is: 295,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,403.52 : 969,752.16 = 197,164.56 : x
  2. Step 2: Convert to fraction form
    646,403.52/969,752.16 = 197,164.56/x
  3. Step 3: Cross multiply
    646,403.52x = 969,752.16 × 197,164.56
  4. Step 4: Simplify right side
    646,403.52x = 191,200,757,935.45
  5. Step 5: Solve for x
    x = 191,200,757,935.45/646,403.52
  6. Step 6: Final answer
    x = 295,791.64

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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.