Finding the Fourth Proportional to 198,645.21, 297,976.99 and 65,537.10
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Solution
The fourth proportional to 198,645.21, 297,976.99 and 65,537.10 is: 98,308.68
Step by Step Solution
- Step 1: Write the proportion equation
198,645.21 : 297,976.99 = 65,537.10 : x - Step 2: Convert to fraction form
198,645.21/297,976.99 = 65,537.10/x - Step 3: Cross multiply
198,645.21x = 297,976.99 × 65,537.10 - Step 4: Simplify right side
198,645.21x = 19,528,547,627.49 - Step 5: Solve for x
x = 19,528,547,627.49/198,645.21 - Step 6: Final answer
x = 98,308.68
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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.