Home / 436,731.66-654,878.79-137,208.24

Finding the Fourth Proportional to 436,731.66, 654,878.79 and 137,208.24

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Solution

The fourth proportional to 436,731.66, 654,878.79 and 137,208.24 is: 205,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,731.66 : 654,878.79 = 137,208.24 : x
  2. Step 2: Convert to fraction form
    436,731.66/654,878.79 = 137,208.24/x
  3. Step 3: Cross multiply
    436,731.66x = 654,878.79 × 137,208.24
  4. Step 4: Simplify right side
    436,731.66x = 89,854,766,189.23
  5. Step 5: Solve for x
    x = 89,854,766,189.23/436,731.66
  6. Step 6: Final answer
    x = 205,743.65

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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.