Home / 437,311.90-603,284.19-255,912.61

Finding the Fourth Proportional to 437,311.90, 603,284.19 and 255,912.61

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Solution

The fourth proportional to 437,311.90, 603,284.19 and 255,912.61 is: 353,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,311.90 : 603,284.19 = 255,912.61 : x
  2. Step 2: Convert to fraction form
    437,311.90/603,284.19 = 255,912.61/x
  3. Step 3: Cross multiply
    437,311.90x = 603,284.19 × 255,912.61
  4. Step 4: Simplify right side
    437,311.90x = 154,388,031,634.64
  5. Step 5: Solve for x
    x = 154,388,031,634.64/437,311.90
  6. Step 6: Final answer
    x = 353,038.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.