Finding the Fourth Proportional to 198,971.84, 274,572.56 and 108,325.84
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Solution
The fourth proportional to 198,971.84, 274,572.56 and 108,325.84 is: 149,484.99
Step by Step Solution
- Step 1: Write the proportion equation
198,971.84 : 274,572.56 = 108,325.84 : x - Step 2: Convert to fraction form
198,971.84/274,572.56 = 108,325.84/x - Step 3: Cross multiply
198,971.84x = 274,572.56 × 108,325.84 - Step 4: Simplify right side
198,971.84x = 29,743,303,202.95 - Step 5: Solve for x
x = 29,743,303,202.95/198,971.84 - Step 6: Final answer
x = 149,484.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.