Home / 436,260.40-654,398.79-136,734.33

Finding the Fourth Proportional to 436,260.40, 654,398.79 and 136,734.33

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Solution

The fourth proportional to 436,260.40, 654,398.79 and 136,734.33 is: 205,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,260.40 : 654,398.79 = 136,734.33 : x
  2. Step 2: Convert to fraction form
    436,260.40/654,398.79 = 136,734.33/x
  3. Step 3: Cross multiply
    436,260.40x = 654,398.79 × 136,734.33
  4. Step 4: Simplify right side
    436,260.40x = 89,478,780,103.46
  5. Step 5: Solve for x
    x = 89,478,780,103.46/436,260.40
  6. Step 6: Final answer
    x = 205,104.06

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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.