Finding the Fourth Proportional to 198,965.68, 274,572.48 and 109,541.68
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Solution
The fourth proportional to 198,965.68, 274,572.48 and 109,541.68 is: 151,167.43
Step by Step Solution
- Step 1: Write the proportion equation
198,965.68 : 274,572.48 = 109,541.68 : x - Step 2: Convert to fraction form
198,965.68/274,572.48 = 109,541.68/x - Step 3: Cross multiply
198,965.68x = 274,572.48 × 109,541.68 - Step 4: Simplify right side
198,965.68x = 30,077,130,740.97 - Step 5: Solve for x
x = 30,077,130,740.97/198,965.68 - Step 6: Final answer
x = 151,167.43
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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.