Finding the Fourth Proportional to 188,317.44, 259,865.28 and 103,438.08
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Solution
The fourth proportional to 188,317.44, 259,865.28 and 103,438.08 is: 142,737.53
Step by Step Solution
- Step 1: Write the proportion equation
188,317.44 : 259,865.28 = 103,438.08 : x - Step 2: Convert to fraction form
188,317.44/259,865.28 = 103,438.08/x - Step 3: Cross multiply
188,317.44x = 259,865.28 × 103,438.08 - Step 4: Simplify right side
188,317.44x = 26,879,965,621.86 - Step 5: Solve for x
x = 26,879,965,621.86/188,317.44 - Step 6: Final answer
x = 142,737.53
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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.