Finding the Fourth Proportional to 359,129.99, 495,644.25 and 206,216.03
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Solution
The fourth proportional to 359,129.99, 495,644.25 and 206,216.03 is: 284,603.88
Step by Step Solution
- Step 1: Write the proportion equation
359,129.99 : 495,644.25 = 206,216.03 : x - Step 2: Convert to fraction form
359,129.99/495,644.25 = 206,216.03/x - Step 3: Cross multiply
359,129.99x = 495,644.25 × 206,216.03 - Step 4: Simplify right side
359,129.99x = 102,209,787,049.11 - Step 5: Solve for x
x = 102,209,787,049.11/359,129.99 - Step 6: Final answer
x = 284,603.88
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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.