Home / 331,325.32-457,216.38-202,479.27

Finding the Fourth Proportional to 331,325.32, 457,216.38 and 202,479.27

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Solution

The fourth proportional to 331,325.32, 457,216.38 and 202,479.27 is: 279,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,325.32 : 457,216.38 = 202,479.27 : x
  2. Step 2: Convert to fraction form
    331,325.32/457,216.38 = 202,479.27/x
  3. Step 3: Cross multiply
    331,325.32x = 457,216.38 × 202,479.27
  4. Step 4: Simplify right side
    331,325.32x = 92,576,838,854.44
  5. Step 5: Solve for x
    x = 92,576,838,854.44/331,325.32
  6. Step 6: Final answer
    x = 279,413.72

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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.