Finding the Fourth Proportional to 358,988.36, 495,427.34 and 206,076.08
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Solution
The fourth proportional to 358,988.36, 495,427.34 and 206,076.08 is: 284,398.42
Step by Step Solution
- Step 1: Write the proportion equation
358,988.36 : 495,427.34 = 206,076.08 : x - Step 2: Convert to fraction form
358,988.36/495,427.34 = 206,076.08/x - Step 3: Cross multiply
358,988.36x = 495,427.34 × 206,076.08 - Step 4: Simplify right side
358,988.36x = 102,095,724,152.03 - Step 5: Solve for x
x = 102,095,724,152.03/358,988.36 - Step 6: Final answer
x = 284,398.42
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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.