Finding the Fourth Proportional to 219,745.80, 329,837.40 and 107,552.70
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Solution
The fourth proportional to 219,745.80, 329,837.40 and 107,552.70 is: 161,436.09
Step by Step Solution
- Step 1: Write the proportion equation
219,745.80 : 329,837.40 = 107,552.70 : x - Step 2: Convert to fraction form
219,745.80/329,837.40 = 107,552.70/x - Step 3: Cross multiply
219,745.80x = 329,837.40 × 107,552.70 - Step 4: Simplify right side
219,745.80x = 35,474,902,930.98 - Step 5: Solve for x
x = 35,474,902,930.98/219,745.80 - Step 6: Final answer
x = 161,436.09
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1.5x scale
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.