Finding the Fourth Proportional to 97,189.20, 134,116.56 and 65,352.96
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Solution
The fourth proportional to 97,189.20, 134,116.56 and 65,352.96 is: 90,184.03
Step by Step Solution
- Step 1: Write the proportion equation
97,189.20 : 134,116.56 = 65,352.96 : x - Step 2: Convert to fraction form
97,189.20/134,116.56 = 65,352.96/x - Step 3: Cross multiply
97,189.20x = 134,116.56 × 65,352.96 - Step 4: Simplify right side
97,189.20x = 8,764,914,181.02 - Step 5: Solve for x
x = 8,764,914,181.02/97,189.20 - Step 6: Final answer
x = 90,184.03
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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.