Finding the Fourth Proportional to 256,839.74, 354,526.29 and 149,499.96
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Solution
The fourth proportional to 256,839.74, 354,526.29 and 149,499.96 is: 206,360.84
Step by Step Solution
- Step 1: Write the proportion equation
256,839.74 : 354,526.29 = 149,499.96 : x - Step 2: Convert to fraction form
256,839.74/354,526.29 = 149,499.96/x - Step 3: Cross multiply
256,839.74x = 354,526.29 × 149,499.96 - Step 4: Simplify right side
256,839.74x = 53,001,664,844.47 - Step 5: Solve for x
x = 53,001,664,844.47/256,839.74 - Step 6: Final answer
x = 206,360.84
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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.