Finding the Fourth Proportional to 163,634.16, 225,557.82 and 149,905.26
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Solution
The fourth proportional to 163,634.16, 225,557.82 and 149,905.26 is: 206,633.53
Step by Step Solution
- Step 1: Write the proportion equation
163,634.16 : 225,557.82 = 149,905.26 : x - Step 2: Convert to fraction form
163,634.16/225,557.82 = 149,905.26/x - Step 3: Cross multiply
163,634.16x = 225,557.82 × 149,905.26 - Step 4: Simplify right side
163,634.16x = 33,812,303,652.13 - Step 5: Solve for x
x = 33,812,303,652.13/163,634.16 - Step 6: Final answer
x = 206,633.53
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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.