Home / 436,282.39-654,423.77-136,786.32

Finding the Fourth Proportional to 436,282.39, 654,423.77 and 136,786.32

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Solution

The fourth proportional to 436,282.39, 654,423.77 and 136,786.32 is: 205,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,282.39 : 654,423.77 = 136,786.32 : x
  2. Step 2: Convert to fraction form
    436,282.39/654,423.77 = 136,786.32/x
  3. Step 3: Cross multiply
    436,282.39x = 654,423.77 × 136,786.32
  4. Step 4: Simplify right side
    436,282.39x = 89,516,219,560.79
  5. Step 5: Solve for x
    x = 89,516,219,560.79/436,282.39
  6. Step 6: Final answer
    x = 205,179.54

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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.