Finding the Fourth Proportional to 343,792.66, 474,442.05 and 192,900.82
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Solution
The fourth proportional to 343,792.66, 474,442.05 and 192,900.82 is: 266,207.72
Step by Step Solution
- Step 1: Write the proportion equation
343,792.66 : 474,442.05 = 192,900.82 : x - Step 2: Convert to fraction form
343,792.66/474,442.05 = 192,900.82/x - Step 3: Cross multiply
343,792.66x = 474,442.05 × 192,900.82 - Step 4: Simplify right side
343,792.66x = 91,520,260,487.48 - Step 5: Solve for x
x = 91,520,260,487.48/343,792.66 - Step 6: Final answer
x = 266,207.72
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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.