Finding the Fourth Proportional to 256,686.11, 354,084.62 and 149,244.26
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Solution
The fourth proportional to 256,686.11, 354,084.62 and 149,244.26 is: 205,874.39
Step by Step Solution
- Step 1: Write the proportion equation
256,686.11 : 354,084.62 = 149,244.26 : x - Step 2: Convert to fraction form
256,686.11/354,084.62 = 149,244.26/x - Step 3: Cross multiply
256,686.11x = 354,084.62 × 149,244.26 - Step 4: Simplify right side
256,686.11x = 52,845,096,343.06 - Step 5: Solve for x
x = 52,845,096,343.06/256,686.11 - Step 6: Final answer
x = 205,874.39
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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.