Home / 205,931.19-309,115.14-182,391.55

Finding the Fourth Proportional to 205,931.19, 309,115.14 and 182,391.55

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Solution

The fourth proportional to 205,931.19, 309,115.14 and 182,391.55 is: 273,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,931.19 : 309,115.14 = 182,391.55 : x
  2. Step 2: Convert to fraction form
    205,931.19/309,115.14 = 182,391.55/x
  3. Step 3: Cross multiply
    205,931.19x = 309,115.14 × 182,391.55
  4. Step 4: Simplify right side
    205,931.19x = 56,379,987,055.53
  5. Step 5: Solve for x
    x = 56,379,987,055.53/205,931.19
  6. Step 6: Final answer
    x = 273,780.71

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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.