Home / 383,916.60-576,134.10-225,977.40

Finding the Fourth Proportional to 383,916.60, 576,134.10 and 225,977.40

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Solution

The fourth proportional to 383,916.60, 576,134.10 and 225,977.40 is: 339,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,916.60 : 576,134.10 = 225,977.40 : x
  2. Step 2: Convert to fraction form
    383,916.60/576,134.10 = 225,977.40/x
  3. Step 3: Cross multiply
    383,916.60x = 576,134.10 × 225,977.40
  4. Step 4: Simplify right side
    383,916.60x = 130,193,285,969.34
  5. Step 5: Solve for x
    x = 130,193,285,969.34/383,916.60
  6. Step 6: Final answer
    x = 339,118.67

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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.