Home / 436,200.20-654,321.90-226,248.20

Finding the Fourth Proportional to 436,200.20, 654,321.90 and 226,248.20

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Solution

The fourth proportional to 436,200.20, 654,321.90 and 226,248.20 is: 339,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,200.20 : 654,321.90 = 226,248.20 : x
  2. Step 2: Convert to fraction form
    436,200.20/654,321.90 = 226,248.20/x
  3. Step 3: Cross multiply
    436,200.20x = 654,321.90 × 226,248.20
  4. Step 4: Simplify right side
    436,200.20x = 148,039,152,095.58
  5. Step 5: Solve for x
    x = 148,039,152,095.58/436,200.20
  6. Step 6: Final answer
    x = 339,383.50

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1.5x scale

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.