Finding the Fourth Proportional to 163,598.19, 225,772.02 and 91,977.99
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Solution
The fourth proportional to 163,598.19, 225,772.02 and 91,977.99 is: 126,933.29
Step by Step Solution
- Step 1: Write the proportion equation
163,598.19 : 225,772.02 = 91,977.99 : x - Step 2: Convert to fraction form
163,598.19/225,772.02 = 91,977.99/x - Step 3: Cross multiply
163,598.19x = 225,772.02 × 91,977.99 - Step 4: Simplify right side
163,598.19x = 20,766,056,597.84 - Step 5: Solve for x
x = 20,766,056,597.84/163,598.19 - Step 6: Final answer
x = 126,933.29
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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.