Finding the Fourth Proportional to 197,193.23, 272,126.67 and 112,318.19
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Solution
The fourth proportional to 197,193.23, 272,126.67 and 112,318.19 is: 154,999.11
Step by Step Solution
- Step 1: Write the proportion equation
197,193.23 : 272,126.67 = 112,318.19 : x - Step 2: Convert to fraction form
197,193.23/272,126.67 = 112,318.19/x - Step 3: Cross multiply
197,193.23x = 272,126.67 × 112,318.19 - Step 4: Simplify right side
197,193.23x = 30,564,775,025.13 - Step 5: Solve for x
x = 30,564,775,025.13/197,193.23 - Step 6: Final answer
x = 154,999.11
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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.