Finding the Fourth Proportional to 198,073.91, 297,160.01 and 98,281.19
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Solution
The fourth proportional to 198,073.91, 297,160.01 and 98,281.19 is: 147,446.17
Step by Step Solution
- Step 1: Write the proportion equation
198,073.91 : 297,160.01 = 98,281.19 : x - Step 2: Convert to fraction form
198,073.91/297,160.01 = 98,281.19/x - Step 3: Cross multiply
198,073.91x = 297,160.01 × 98,281.19 - Step 4: Simplify right side
198,073.91x = 29,205,239,403.21 - Step 5: Solve for x
x = 29,205,239,403.21/198,073.91 - Step 6: Final answer
x = 147,446.17
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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.