Finding the Fourth Proportional to 228,993.62, 343,521.61 and 79,193.70
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Solution
The fourth proportional to 228,993.62, 343,521.61 and 79,193.70 is: 118,801.33
Step by Step Solution
- Step 1: Write the proportion equation
228,993.62 : 343,521.61 = 79,193.70 : x - Step 2: Convert to fraction form
228,993.62/343,521.61 = 79,193.70/x - Step 3: Cross multiply
228,993.62x = 343,521.61 × 79,193.70 - Step 4: Simplify right side
228,993.62x = 27,204,747,127.87 - Step 5: Solve for x
x = 27,204,747,127.87/228,993.62 - Step 6: Final answer
x = 118,801.33
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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.