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Finding the Fourth Proportional to 336,674.88, 505,081.44 and 99,996.48

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Solution

The fourth proportional to 336,674.88, 505,081.44 and 99,996.48 is: 150,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,674.88 : 505,081.44 = 99,996.48 : x
  2. Step 2: Convert to fraction form
    336,674.88/505,081.44 = 99,996.48/x
  3. Step 3: Cross multiply
    336,674.88x = 505,081.44 × 99,996.48
  4. Step 4: Simplify right side
    336,674.88x = 50,506,366,113.33
  5. Step 5: Solve for x
    x = 50,506,366,113.33/336,674.88
  6. Step 6: Final answer
    x = 150,015.25

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1.5x scale

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.