Home / 336,400.12-504,530.32-99,687.16

Finding the Fourth Proportional to 336,400.12, 504,530.32 and 99,687.16

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Solution

The fourth proportional to 336,400.12, 504,530.32 and 99,687.16 is: 149,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,400.12 : 504,530.32 = 99,687.16 : x
  2. Step 2: Convert to fraction form
    336,400.12/504,530.32 = 99,687.16/x
  3. Step 3: Cross multiply
    336,400.12x = 504,530.32 × 99,687.16
  4. Step 4: Simplify right side
    336,400.12x = 50,295,194,734.69
  5. Step 5: Solve for x
    x = 50,295,194,734.69/336,400.12
  6. Step 6: Final answer
    x = 149,510.04

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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.