Finding the Fourth Proportional to 123,866.36, 185,622.42 and 98,982.08
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Solution
The fourth proportional to 123,866.36, 185,622.42 and 98,982.08 is: 148,331.58
Step by Step Solution
- Step 1: Write the proportion equation
123,866.36 : 185,622.42 = 98,982.08 : x - Step 2: Convert to fraction form
123,866.36/185,622.42 = 98,982.08/x - Step 3: Cross multiply
123,866.36x = 185,622.42 × 98,982.08 - Step 4: Simplify right side
123,866.36x = 18,373,293,226.23 - Step 5: Solve for x
x = 18,373,293,226.23/123,866.36 - Step 6: Final answer
x = 148,331.58
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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.