Home / 277,466.60-416,252.40-87,974.70

Finding the Fourth Proportional to 277,466.60, 416,252.40 and 87,974.70

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Solution

The fourth proportional to 277,466.60, 416,252.40 and 87,974.70 is: 131,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,466.60 : 416,252.40 = 87,974.70 : x
  2. Step 2: Convert to fraction form
    277,466.60/416,252.40 = 87,974.70/x
  3. Step 3: Cross multiply
    277,466.60x = 416,252.40 × 87,974.70
  4. Step 4: Simplify right side
    277,466.60x = 36,619,680,014.28
  5. Step 5: Solve for x
    x = 36,619,680,014.28/277,466.60
  6. Step 6: Final answer
    x = 131,978.70

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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.