Finding the Fourth Proportional to 154,307.43, 231,479.64 and 54,446.99
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Solution
The fourth proportional to 154,307.43, 231,479.64 and 54,446.99 is: 81,677.00
Step by Step Solution
- Step 1: Write the proportion equation
154,307.43 : 231,479.64 = 54,446.99 : x - Step 2: Convert to fraction form
154,307.43/231,479.64 = 54,446.99/x - Step 3: Cross multiply
154,307.43x = 231,479.64 × 54,446.99 - Step 4: Simplify right side
154,307.43x = 12,603,368,486.89 - Step 5: Solve for x
x = 12,603,368,486.89/154,307.43 - Step 6: Final answer
x = 81,677.00
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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.