Home / 439,943.76-660,353.04-203,339.52

Finding the Fourth Proportional to 439,943.76, 660,353.04 and 203,339.52

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Solution

The fourth proportional to 439,943.76, 660,353.04 and 203,339.52 is: 305,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,943.76 : 660,353.04 = 203,339.52 : x
  2. Step 2: Convert to fraction form
    439,943.76/660,353.04 = 203,339.52/x
  3. Step 3: Cross multiply
    439,943.76x = 660,353.04 × 203,339.52
  4. Step 4: Simplify right side
    439,943.76x = 134,275,870,184.14
  5. Step 5: Solve for x
    x = 134,275,870,184.14/439,943.76
  6. Step 6: Final answer
    x = 305,211.44

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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.