Home / 336,825.90-505,238.85-203,965.65

Finding the Fourth Proportional to 336,825.90, 505,238.85 and 203,965.65

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Solution

The fourth proportional to 336,825.90, 505,238.85 and 203,965.65 is: 305,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,825.90 : 505,238.85 = 203,965.65 : x
  2. Step 2: Convert to fraction form
    336,825.90/505,238.85 = 203,965.65/x
  3. Step 3: Cross multiply
    336,825.90x = 505,238.85 × 203,965.65
  4. Step 4: Simplify right side
    336,825.90x = 103,051,370,445.50
  5. Step 5: Solve for x
    x = 103,051,370,445.50/336,825.90
  6. Step 6: Final answer
    x = 305,948.48

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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.