Home / 369,724.10-510,219.26-199,958.22

Finding the Fourth Proportional to 369,724.10, 510,219.26 and 199,958.22

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Solution

The fourth proportional to 369,724.10, 510,219.26 and 199,958.22 is: 275,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,724.10 : 510,219.26 = 199,958.22 : x
  2. Step 2: Convert to fraction form
    369,724.10/510,219.26 = 199,958.22/x
  3. Step 3: Cross multiply
    369,724.10x = 510,219.26 × 199,958.22
  4. Step 4: Simplify right side
    369,724.10x = 102,022,534,039.53
  5. Step 5: Solve for x
    x = 102,022,534,039.53/369,724.10
  6. Step 6: Final answer
    x = 275,942.35

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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.