Finding the Fourth Proportional to 163,669.80, 225,817.62 and 98,231.96
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Solution
The fourth proportional to 163,669.80, 225,817.62 and 98,231.96 is: 135,532.07
Step by Step Solution
- Step 1: Write the proportion equation
163,669.80 : 225,817.62 = 98,231.96 : x - Step 2: Convert to fraction form
163,669.80/225,817.62 = 98,231.96/x - Step 3: Cross multiply
163,669.80x = 225,817.62 × 98,231.96 - Step 4: Simplify right side
163,669.80x = 22,182,507,415.14 - Step 5: Solve for x
x = 22,182,507,415.14/163,669.80 - Step 6: Final answer
x = 135,532.07
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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.