Finding the Fourth Proportional to 329,701.80, 494,552.70 and 211,603.80
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Solution
The fourth proportional to 329,701.80, 494,552.70 and 211,603.80 is: 317,405.70
Step by Step Solution
- Step 1: Write the proportion equation
329,701.80 : 494,552.70 = 211,603.80 : x - Step 2: Convert to fraction form
329,701.80/494,552.70 = 211,603.80/x - Step 3: Cross multiply
329,701.80x = 494,552.70 × 211,603.80 - Step 4: Simplify right side
329,701.80x = 104,649,230,620.26 - Step 5: Solve for x
x = 104,649,230,620.26/329,701.80 - Step 6: Final answer
x = 317,405.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.