Home / 436,929.20-655,415.40-226,977.20

Finding the Fourth Proportional to 436,929.20, 655,415.40 and 226,977.20

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Solution

The fourth proportional to 436,929.20, 655,415.40 and 226,977.20 is: 340,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,929.20 : 655,415.40 = 226,977.20 : x
  2. Step 2: Convert to fraction form
    436,929.20/655,415.40 = 226,977.20/x
  3. Step 3: Cross multiply
    436,929.20x = 655,415.40 × 226,977.20
  4. Step 4: Simplify right side
    436,929.20x = 148,764,352,328.88
  5. Step 5: Solve for x
    x = 148,764,352,328.88/436,929.20
  6. Step 6: Final answer
    x = 340,477.02

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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.