Home / 403,286.32-604,984.84-136,975.34

Finding the Fourth Proportional to 403,286.32, 604,984.84 and 136,975.34

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Solution

The fourth proportional to 403,286.32, 604,984.84 and 136,975.34 is: 205,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,286.32 : 604,984.84 = 136,975.34 : x
  2. Step 2: Convert to fraction form
    403,286.32/604,984.84 = 136,975.34/x
  3. Step 3: Cross multiply
    403,286.32x = 604,984.84 × 136,975.34
  4. Step 4: Simplify right side
    403,286.32x = 82,868,004,153.85
  5. Step 5: Solve for x
    x = 82,868,004,153.85/403,286.32
  6. Step 6: Final answer
    x = 205,481.81

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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.