Finding the Fourth Proportional to 278,943.33, 384,942.33 and 151,618.62
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Solution
The fourth proportional to 278,943.33, 384,942.33 and 151,618.62 is: 209,233.99
Step by Step Solution
- Step 1: Write the proportion equation
278,943.33 : 384,942.33 = 151,618.62 : x - Step 2: Convert to fraction form
278,943.33/384,942.33 = 151,618.62/x - Step 3: Cross multiply
278,943.33x = 384,942.33 × 151,618.62 - Step 4: Simplify right side
278,943.33x = 58,364,424,854.18 - Step 5: Solve for x
x = 58,364,424,854.18/278,943.33 - Step 6: Final answer
x = 209,233.99
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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.