Home / 433,077.11-649,805.57-205,537.07

Finding the Fourth Proportional to 433,077.11, 649,805.57 and 205,537.07

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Solution

The fourth proportional to 433,077.11, 649,805.57 and 205,537.07 is: 308,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,077.11 : 649,805.57 = 205,537.07 : x
  2. Step 2: Convert to fraction form
    433,077.11/649,805.57 = 205,537.07/x
  3. Step 3: Cross multiply
    433,077.11x = 649,805.57 × 205,537.07
  4. Step 4: Simplify right side
    433,077.11x = 133,559,128,650.77
  5. Step 5: Solve for x
    x = 133,559,128,650.77/433,077.11
  6. Step 6: Final answer
    x = 308,395.73

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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.