Finding the Fourth Proportional to 108,178.05, 149,293.79 and 62,251.77
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Solution
The fourth proportional to 108,178.05, 149,293.79 and 62,251.77 is: 85,912.09
Step by Step Solution
- Step 1: Write the proportion equation
108,178.05 : 149,293.79 = 62,251.77 : x - Step 2: Convert to fraction form
108,178.05/149,293.79 = 62,251.77/x - Step 3: Cross multiply
108,178.05x = 149,293.79 × 62,251.77 - Step 4: Simplify right side
108,178.05x = 9,293,802,677.51 - Step 5: Solve for x
x = 9,293,802,677.51/108,178.05 - Step 6: Final answer
x = 85,912.09
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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.