Finding the Fourth Proportional to 211,737.14, 318,873.35 and 192,841.46
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Solution
The fourth proportional to 211,737.14, 318,873.35 and 192,841.46 is: 290,416.70
Step by Step Solution
- Step 1: Write the proportion equation
211,737.14 : 318,873.35 = 192,841.46 : x - Step 2: Convert to fraction form
211,737.14/318,873.35 = 192,841.46/x - Step 3: Cross multiply
211,737.14x = 318,873.35 × 192,841.46 - Step 4: Simplify right side
211,737.14x = 61,492,002,369.09 - Step 5: Solve for x
x = 61,492,002,369.09/211,737.14 - Step 6: Final answer
x = 290,416.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.