Finding the Fourth Proportional to 207,146.98, 285,994.17 and 141,845.09
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Solution
The fourth proportional to 207,146.98, 285,994.17 and 141,845.09 is: 195,836.15
Step by Step Solution
- Step 1: Write the proportion equation
207,146.98 : 285,994.17 = 141,845.09 : x - Step 2: Convert to fraction form
207,146.98/285,994.17 = 141,845.09/x - Step 3: Cross multiply
207,146.98x = 285,994.17 × 141,845.09 - Step 4: Simplify right side
207,146.98x = 40,566,868,554.43 - Step 5: Solve for x
x = 40,566,868,554.43/207,146.98 - Step 6: Final answer
x = 195,836.15
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1.5x scale
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.