Home / 336,745.85-505,100.30-203,590.35

Finding the Fourth Proportional to 336,745.85, 505,100.30 and 203,590.35

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Solution

The fourth proportional to 336,745.85, 505,100.30 and 203,590.35 is: 305,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,745.85 : 505,100.30 = 203,590.35 : x
  2. Step 2: Convert to fraction form
    336,745.85/505,100.30 = 203,590.35/x
  3. Step 3: Cross multiply
    336,745.85x = 505,100.30 × 203,590.35
  4. Step 4: Simplify right side
    336,745.85x = 102,833,545,844.15
  5. Step 5: Solve for x
    x = 102,833,545,844.15/336,745.85
  6. Step 6: Final answer
    x = 305,374.36

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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.