Finding the Fourth Proportional to 358,672.14, 495,205.79 and 222,908.67
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Solution
The fourth proportional to 358,672.14, 495,205.79 and 222,908.67 is: 307,762.02
Step by Step Solution
- Step 1: Write the proportion equation
358,672.14 : 495,205.79 = 222,908.67 : x - Step 2: Convert to fraction form
358,672.14/495,205.79 = 222,908.67/x - Step 3: Cross multiply
358,672.14x = 495,205.79 × 222,908.67 - Step 4: Simplify right side
358,672.14x = 110,385,662,910.66 - Step 5: Solve for x
x = 110,385,662,910.66/358,672.14 - Step 6: Final answer
x = 307,762.02
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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.