Finding the Fourth Proportional to 447,578.09, 617,710.44 and 251,376.84
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Solution
The fourth proportional to 447,578.09, 617,710.44 and 251,376.84 is: 346,929.63
Step by Step Solution
- Step 1: Write the proportion equation
447,578.09 : 617,710.44 = 251,376.84 : x - Step 2: Convert to fraction form
447,578.09/617,710.44 = 251,376.84/x - Step 3: Cross multiply
447,578.09x = 617,710.44 × 251,376.84 - Step 4: Simplify right side
447,578.09x = 155,278,098,442.21 - Step 5: Solve for x
x = 155,278,098,442.21/447,578.09 - Step 6: Final answer
x = 346,929.63
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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.