Home / 331,336.26-457,232.04-202,490.28

Finding the Fourth Proportional to 331,336.26, 457,232.04 and 202,490.28

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Solution

The fourth proportional to 331,336.26, 457,232.04 and 202,490.28 is: 279,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,336.26 : 457,232.04 = 202,490.28 : x
  2. Step 2: Convert to fraction form
    331,336.26/457,232.04 = 202,490.28/x
  3. Step 3: Cross multiply
    331,336.26x = 457,232.04 × 202,490.28
  4. Step 4: Simplify right side
    331,336.26x = 92,585,043,804.57
  5. Step 5: Solve for x
    x = 92,585,043,804.57/331,336.26
  6. Step 6: Final answer
    x = 279,429.25

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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.