Home / 360,112.79-496,942.23-198,964.39

Finding the Fourth Proportional to 360,112.79, 496,942.23 and 198,964.39

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Solution

The fourth proportional to 360,112.79, 496,942.23 and 198,964.39 is: 274,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,112.79 : 496,942.23 = 198,964.39 : x
  2. Step 2: Convert to fraction form
    360,112.79/496,942.23 = 198,964.39/x
  3. Step 3: Cross multiply
    360,112.79x = 496,942.23 × 198,964.39
  4. Step 4: Simplify right side
    360,112.79x = 98,873,807,657.19
  5. Step 5: Solve for x
    x = 98,873,807,657.19/360,112.79
  6. Step 6: Final answer
    x = 274,563.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.