Finding the Fourth Proportional to 617,217.84, 851,842.44 and 345,390.48
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Solution
The fourth proportional to 617,217.84, 851,842.44 and 345,390.48 is: 476,684.65
Step by Step Solution
- Step 1: Write the proportion equation
617,217.84 : 851,842.44 = 345,390.48 : x - Step 2: Convert to fraction form
617,217.84/851,842.44 = 345,390.48/x - Step 3: Cross multiply
617,217.84x = 851,842.44 × 345,390.48 - Step 4: Simplify right side
617,217.84x = 294,218,269,235.97 - Step 5: Solve for x
x = 294,218,269,235.97/617,217.84 - Step 6: Final answer
x = 476,684.65
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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.