Home / 436,236.98-654,354.25-136,718.82

Finding the Fourth Proportional to 436,236.98, 654,354.25 and 136,718.82

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Solution

The fourth proportional to 436,236.98, 654,354.25 and 136,718.82 is: 205,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,236.98 : 654,354.25 = 136,718.82 : x
  2. Step 2: Convert to fraction form
    436,236.98/654,354.25 = 136,718.82/x
  3. Step 3: Cross multiply
    436,236.98x = 654,354.25 × 136,718.82
  4. Step 4: Simplify right side
    436,236.98x = 89,462,540,580.19
  5. Step 5: Solve for x
    x = 89,462,540,580.19/436,236.98
  6. Step 6: Final answer
    x = 205,077.85

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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.