Finding the Fourth Proportional to 198,846.73, 298,316.81 and 65,726.99
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Solution
The fourth proportional to 198,846.73, 298,316.81 and 65,726.99 is: 98,605.92
Step by Step Solution
- Step 1: Write the proportion equation
198,846.73 : 298,316.81 = 65,726.99 : x - Step 2: Convert to fraction form
198,846.73/298,316.81 = 65,726.99/x - Step 3: Cross multiply
198,846.73x = 298,316.81 × 65,726.99 - Step 4: Simplify right side
198,846.73x = 19,607,464,167.48 - Step 5: Solve for x
x = 19,607,464,167.48/198,846.73 - Step 6: Final answer
x = 98,605.92
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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.