Home / 383,889.24-529,937.04-247,989.46

Finding the Fourth Proportional to 383,889.24, 529,937.04 and 247,989.46

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Solution

The fourth proportional to 383,889.24, 529,937.04 and 247,989.46 is: 342,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,889.24 : 529,937.04 = 247,989.46 : x
  2. Step 2: Convert to fraction form
    383,889.24/529,937.04 = 247,989.46/x
  3. Step 3: Cross multiply
    383,889.24x = 529,937.04 × 247,989.46
  4. Step 4: Simplify right side
    383,889.24x = 131,418,800,383.60
  5. Step 5: Solve for x
    x = 131,418,800,383.60/383,889.24
  6. Step 6: Final answer
    x = 342,335.20

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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.