Home / 205,389.77-307,816.26-148,654.71

Finding the Fourth Proportional to 205,389.77, 307,816.26 and 148,654.71

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Solution

The fourth proportional to 205,389.77, 307,816.26 and 148,654.71 is: 222,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,389.77 : 307,816.26 = 148,654.71 : x
  2. Step 2: Convert to fraction form
    205,389.77/307,816.26 = 148,654.71/x
  3. Step 3: Cross multiply
    205,389.77x = 307,816.26 × 148,654.71
  4. Step 4: Simplify right side
    205,389.77x = 45,758,336,863.58
  5. Step 5: Solve for x
    x = 45,758,336,863.58/205,389.77
  6. Step 6: Final answer
    x = 222,787.81

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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.