Finding the Fourth Proportional to 108,220.94, 149,342.10 and 60,474.68
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Solution
The fourth proportional to 108,220.94, 149,342.10 and 60,474.68 is: 83,453.50
Step by Step Solution
- Step 1: Write the proportion equation
108,220.94 : 149,342.10 = 60,474.68 : x - Step 2: Convert to fraction form
108,220.94/149,342.10 = 60,474.68/x - Step 3: Cross multiply
108,220.94x = 149,342.10 × 60,474.68 - Step 4: Simplify right side
108,220.94x = 9,031,415,708.03 - Step 5: Solve for x
x = 9,031,415,708.03/108,220.94 - Step 6: Final answer
x = 83,453.50
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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.