Finding the Fourth Proportional to 358,772.06, 495,107.98 and 205,816.92
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Solution
The fourth proportional to 358,772.06, 495,107.98 and 205,816.92 is: 284,028.81
Step by Step Solution
- Step 1: Write the proportion equation
358,772.06 : 495,107.98 = 205,816.92 : x - Step 2: Convert to fraction form
358,772.06/495,107.98 = 205,816.92/x - Step 3: Cross multiply
358,772.06x = 495,107.98 × 205,816.92 - Step 4: Simplify right side
358,772.06x = 101,901,599,511.02 - Step 5: Solve for x
x = 101,901,599,511.02/358,772.06 - Step 6: Final answer
x = 284,028.81
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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.