Home / 277,929.42-416,918.73-78,251.52

Finding the Fourth Proportional to 277,929.42, 416,918.73 and 78,251.52

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Solution

The fourth proportional to 277,929.42, 416,918.73 and 78,251.52 is: 117,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,929.42 : 416,918.73 = 78,251.52 : x
  2. Step 2: Convert to fraction form
    277,929.42/416,918.73 = 78,251.52/x
  3. Step 3: Cross multiply
    277,929.42x = 416,918.73 × 78,251.52
  4. Step 4: Simplify right side
    277,929.42x = 32,624,524,338.97
  5. Step 5: Solve for x
    x = 32,624,524,338.97/277,929.42
  6. Step 6: Final answer
    x = 117,384.21

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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.