Finding the Fourth Proportional to 289,603.44, 434,268.84 and 112,193.52
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Solution
The fourth proportional to 289,603.44, 434,268.84 and 112,193.52 is: 168,237.47
Step by Step Solution
- Step 1: Write the proportion equation
289,603.44 : 434,268.84 = 112,193.52 : x - Step 2: Convert to fraction form
289,603.44/434,268.84 = 112,193.52/x - Step 3: Cross multiply
289,603.44x = 434,268.84 × 112,193.52 - Step 4: Simplify right side
289,603.44x = 48,722,149,785.92 - Step 5: Solve for x
x = 48,722,149,785.92/289,603.44 - Step 6: Final answer
x = 168,237.47
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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.