Finding the Fourth Proportional to 407,616.81, 611,227.71 and 170,895.93
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Solution
The fourth proportional to 407,616.81, 611,227.71 and 170,895.93 is: 256,261.09
Step by Step Solution
- Step 1: Write the proportion equation
407,616.81 : 611,227.71 = 170,895.93 : x - Step 2: Convert to fraction form
407,616.81/611,227.71 = 170,895.93/x - Step 3: Cross multiply
407,616.81x = 611,227.71 × 170,895.93 - Step 4: Simplify right side
407,616.81x = 104,456,327,942.22 - Step 5: Solve for x
x = 104,456,327,942.22/407,616.81 - Step 6: Final answer
x = 256,261.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.