Finding the Fourth Proportional to 75,148.94, 112,725.48 and 22,558.44
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Solution
The fourth proportional to 75,148.94, 112,725.48 and 22,558.44 is: 33,838.28
Step by Step Solution
- Step 1: Write the proportion equation
75,148.94 : 112,725.48 = 22,558.44 : x - Step 2: Convert to fraction form
75,148.94/112,725.48 = 22,558.44/x - Step 3: Cross multiply
75,148.94x = 112,725.48 × 22,558.44 - Step 4: Simplify right side
75,148.94x = 2,542,910,977.05 - Step 5: Solve for x
x = 2,542,910,977.05/75,148.94 - Step 6: Final answer
x = 33,838.28
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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.