Finding the Fourth Proportional to 198,845.68, 274,398.96 and 113,903.68
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Solution
The fourth proportional to 198,845.68, 274,398.96 and 113,903.68 is: 157,182.45
Step by Step Solution
- Step 1: Write the proportion equation
198,845.68 : 274,398.96 = 113,903.68 : x - Step 2: Convert to fraction form
198,845.68/274,398.96 = 113,903.68/x - Step 3: Cross multiply
198,845.68x = 274,398.96 × 113,903.68 - Step 4: Simplify right side
198,845.68x = 31,255,051,332.17 - Step 5: Solve for x
x = 31,255,051,332.17/198,845.68 - Step 6: Final answer
x = 157,182.45
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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.