Finding the Fourth Proportional to 250,891.36, 376,530.09 and 145,784.14
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Solution
The fourth proportional to 250,891.36, 376,530.09 and 145,784.14 is: 218,788.38
Step by Step Solution
- Step 1: Write the proportion equation
250,891.36 : 376,530.09 = 145,784.14 : x - Step 2: Convert to fraction form
250,891.36/376,530.09 = 145,784.14/x - Step 3: Cross multiply
250,891.36x = 376,530.09 × 145,784.14 - Step 4: Simplify right side
250,891.36x = 54,892,115,354.77 - Step 5: Solve for x
x = 54,892,115,354.77/250,891.36 - Step 6: Final answer
x = 218,788.38
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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.