Finding the Fourth Proportional to 163,907.68, 226,215.12 and 92,316.64
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Solution
The fourth proportional to 163,907.68, 226,215.12 and 92,316.64 is: 127,409.65
Step by Step Solution
- Step 1: Write the proportion equation
163,907.68 : 226,215.12 = 92,316.64 : x - Step 2: Convert to fraction form
163,907.68/226,215.12 = 92,316.64/x - Step 3: Cross multiply
163,907.68x = 226,215.12 × 92,316.64 - Step 4: Simplify right side
163,907.68x = 20,883,419,795.60 - Step 5: Solve for x
x = 20,883,419,795.60/163,907.68 - Step 6: Final answer
x = 127,409.65
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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.