Home / 262,297.32-393,232.55-82,290.21

Finding the Fourth Proportional to 262,297.32, 393,232.55 and 82,290.21

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Solution

The fourth proportional to 262,297.32, 393,232.55 and 82,290.21 is: 123,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,297.32 : 393,232.55 = 82,290.21 : x
  2. Step 2: Convert to fraction form
    262,297.32/393,232.55 = 82,290.21/x
  3. Step 3: Cross multiply
    262,297.32x = 393,232.55 × 82,290.21
  4. Step 4: Simplify right side
    262,297.32x = 32,359,188,706.88
  5. Step 5: Solve for x
    x = 32,359,188,706.88/262,297.32
  6. Step 6: Final answer
    x = 123,368.35

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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.