Home / 436,151.20-654,226.80-268,189.60

Finding the Fourth Proportional to 436,151.20, 654,226.80 and 268,189.60

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Solution

The fourth proportional to 436,151.20, 654,226.80 and 268,189.60 is: 402,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,151.20 : 654,226.80 = 268,189.60 : x
  2. Step 2: Convert to fraction form
    436,151.20/654,226.80 = 268,189.60/x
  3. Step 3: Cross multiply
    436,151.20x = 654,226.80 × 268,189.60
  4. Step 4: Simplify right side
    436,151.20x = 175,456,823,801.28
  5. Step 5: Solve for x
    x = 175,456,823,801.28/436,151.20
  6. Step 6: Final answer
    x = 402,284.40

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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.