Finding the Fourth Proportional to 318,478.84, 439,450.62 and 182,486.62
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Solution
The fourth proportional to 318,478.84, 439,450.62 and 182,486.62 is: 251,802.78
Step by Step Solution
- Step 1: Write the proportion equation
318,478.84 : 439,450.62 = 182,486.62 : x - Step 2: Convert to fraction form
318,478.84/439,450.62 = 182,486.62/x - Step 3: Cross multiply
318,478.84x = 439,450.62 × 182,486.62 - Step 4: Simplify right side
318,478.84x = 80,193,858,165.69 - Step 5: Solve for x
x = 80,193,858,165.69/318,478.84 - Step 6: Final answer
x = 251,802.78
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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.