Home / 436,257.90-654,395.04-136,731.83

Finding the Fourth Proportional to 436,257.90, 654,395.04 and 136,731.83

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Solution

The fourth proportional to 436,257.90, 654,395.04 and 136,731.83 is: 205,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,257.90 : 654,395.04 = 136,731.83 : x
  2. Step 2: Convert to fraction form
    436,257.90/654,395.04 = 136,731.83/x
  3. Step 3: Cross multiply
    436,257.90x = 654,395.04 × 136,731.83
  4. Step 4: Simplify right side
    436,257.90x = 89,476,628,090.15
  5. Step 5: Solve for x
    x = 89,476,628,090.15/436,257.90
  6. Step 6: Final answer
    x = 205,100.30

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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.