Home / 259,006.32-388,578.60-92,811.12

Finding the Fourth Proportional to 259,006.32, 388,578.60 and 92,811.12

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Solution

The fourth proportional to 259,006.32, 388,578.60 and 92,811.12 is: 139,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,006.32 : 388,578.60 = 92,811.12 : x
  2. Step 2: Convert to fraction form
    259,006.32/388,578.60 = 92,811.12/x
  3. Step 3: Cross multiply
    259,006.32x = 388,578.60 × 92,811.12
  4. Step 4: Simplify right side
    259,006.32x = 36,064,415,074.03
  5. Step 5: Solve for x
    x = 36,064,415,074.03/259,006.32
  6. Step 6: Final answer
    x = 139,241.45

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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.