Finding the Fourth Proportional to 343,894.75, 474,618.51 and 192,991.75
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Solution
The fourth proportional to 343,894.75, 474,618.51 and 192,991.75 is: 266,353.17
Step by Step Solution
- Step 1: Write the proportion equation
343,894.75 : 474,618.51 = 192,991.75 : x - Step 2: Convert to fraction form
343,894.75/474,618.51 = 192,991.75/x - Step 3: Cross multiply
343,894.75x = 474,618.51 × 192,991.75 - Step 4: Simplify right side
343,894.75x = 91,597,456,827.29 - Step 5: Solve for x
x = 91,597,456,827.29/343,894.75 - Step 6: Final answer
x = 266,353.17
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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.