Finding the Fourth Proportional to 230,423.05, 346,879.38 and 207,249.96
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Solution
The fourth proportional to 230,423.05, 346,879.38 and 207,249.96 is: 311,994.56
Step by Step Solution
- Step 1: Write the proportion equation
230,423.05 : 346,879.38 = 207,249.96 : x - Step 2: Convert to fraction form
230,423.05/346,879.38 = 207,249.96/x - Step 3: Cross multiply
230,423.05x = 346,879.38 × 207,249.96 - Step 4: Simplify right side
230,423.05x = 71,890,737,629.82 - Step 5: Solve for x
x = 71,890,737,629.82/230,423.05 - Step 6: Final answer
x = 311,994.56
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.