Home / 351,865.32-485,626.98-276,977.64

Finding the Fourth Proportional to 351,865.32, 485,626.98 and 276,977.64

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Solution

The fourth proportional to 351,865.32, 485,626.98 and 276,977.64 is: 382,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,865.32 : 485,626.98 = 276,977.64 : x
  2. Step 2: Convert to fraction form
    351,865.32/485,626.98 = 276,977.64/x
  3. Step 3: Cross multiply
    351,865.32x = 485,626.98 × 276,977.64
  4. Step 4: Simplify right side
    351,865.32x = 134,507,814,840.73
  5. Step 5: Solve for x
    x = 134,507,814,840.73/351,865.32
  6. Step 6: Final answer
    x = 382,270.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.