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Finding the Fourth Proportional to 277,511.70, 416,085.30 and 108,930.45

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Solution

The fourth proportional to 277,511.70, 416,085.30 and 108,930.45 is: 163,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,511.70 : 416,085.30 = 108,930.45 : x
  2. Step 2: Convert to fraction form
    277,511.70/416,085.30 = 108,930.45/x
  3. Step 3: Cross multiply
    277,511.70x = 416,085.30 × 108,930.45
  4. Step 4: Simplify right side
    277,511.70x = 45,324,358,967.39
  5. Step 5: Solve for x
    x = 45,324,358,967.39/277,511.70
  6. Step 6: Final answer
    x = 163,324.14

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1.5x scale

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.