Finding the Fourth Proportional to 298,160.42, 411,490.49 and 222,577.70
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Solution
The fourth proportional to 298,160.42, 411,490.49 and 222,577.70 is: 307,178.96
Step by Step Solution
- Step 1: Write the proportion equation
298,160.42 : 411,490.49 = 222,577.70 : x - Step 2: Convert to fraction form
298,160.42/411,490.49 = 222,577.70/x - Step 3: Cross multiply
298,160.42x = 411,490.49 × 222,577.70 - Step 4: Simplify right side
298,160.42x = 91,588,606,836.07 - Step 5: Solve for x
x = 91,588,606,836.07/298,160.42 - Step 6: Final answer
x = 307,178.96
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1.5x scale
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.