Finding the Fourth Proportional to 132,316.36, 198,475.20 and 65,740.84
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Solution
The fourth proportional to 132,316.36, 198,475.20 and 65,740.84 is: 98,611.59
Step by Step Solution
- Step 1: Write the proportion equation
132,316.36 : 198,475.20 = 65,740.84 : x - Step 2: Convert to fraction form
132,316.36/198,475.20 = 65,740.84/x - Step 3: Cross multiply
132,316.36x = 198,475.20 × 65,740.84 - Step 4: Simplify right side
132,316.36x = 13,047,926,367.17 - Step 5: Solve for x
x = 13,047,926,367.17/132,316.36 - Step 6: Final answer
x = 98,611.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.