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Finding the Fourth Proportional to 277,657.52, 416,482.62 and 67,297.28

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Solution

The fourth proportional to 277,657.52, 416,482.62 and 67,297.28 is: 100,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,657.52 : 416,482.62 = 67,297.28 : x
  2. Step 2: Convert to fraction form
    277,657.52/416,482.62 = 67,297.28/x
  3. Step 3: Cross multiply
    277,657.52x = 416,482.62 × 67,297.28
  4. Step 4: Simplify right side
    277,657.52x = 28,028,147,493.27
  5. Step 5: Solve for x
    x = 28,028,147,493.27/277,657.52
  6. Step 6: Final answer
    x = 100,945.03

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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.