Finding the Fourth Proportional to 201,348.96, 277,876.04 and 120,779.88
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Solution
The fourth proportional to 201,348.96, 277,876.04 and 120,779.88 is: 166,684.92
Step by Step Solution
- Step 1: Write the proportion equation
201,348.96 : 277,876.04 = 120,779.88 : x - Step 2: Convert to fraction form
201,348.96/277,876.04 = 120,779.88/x - Step 3: Cross multiply
201,348.96x = 277,876.04 × 120,779.88 - Step 4: Simplify right side
201,348.96x = 33,561,834,766.08 - Step 5: Solve for x
x = 33,561,834,766.08/201,348.96 - Step 6: Final answer
x = 166,684.92
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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.