Finding the Fourth Proportional to 215,480.80, 323,368.80 and 75,239.44
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Solution
The fourth proportional to 215,480.80, 323,368.80 and 75,239.44 is: 112,910.70
Step by Step Solution
- Step 1: Write the proportion equation
215,480.80 : 323,368.80 = 75,239.44 : x - Step 2: Convert to fraction form
215,480.80/323,368.80 = 75,239.44/x - Step 3: Cross multiply
215,480.80x = 323,368.80 × 75,239.44 - Step 4: Simplify right side
215,480.80x = 24,330,087,425.47 - Step 5: Solve for x
x = 24,330,087,425.47/215,480.80 - Step 6: Final answer
x = 112,910.70
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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.