Finding the Fourth Proportional to 108,198.63, 149,314.86 and 60,453.99
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Solution
The fourth proportional to 108,198.63, 149,314.86 and 60,453.99 is: 83,426.93
Step by Step Solution
- Step 1: Write the proportion equation
108,198.63 : 149,314.86 = 60,453.99 : x - Step 2: Convert to fraction form
108,198.63/149,314.86 = 60,453.99/x - Step 3: Cross multiply
108,198.63x = 149,314.86 × 60,453.99 - Step 4: Simplify right side
108,198.63x = 9,026,679,053.29 - Step 5: Solve for x
x = 9,026,679,053.29/108,198.63 - Step 6: Final answer
x = 83,426.93
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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.