Finding the Fourth Proportional to 197,110.98, 272,013.42 and 112,228.08
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Solution
The fourth proportional to 197,110.98, 272,013.42 and 112,228.08 is: 154,874.90
Step by Step Solution
- Step 1: Write the proportion equation
197,110.98 : 272,013.42 = 112,228.08 : x - Step 2: Convert to fraction form
197,110.98/272,013.42 = 112,228.08/x - Step 3: Cross multiply
197,110.98x = 272,013.42 × 112,228.08 - Step 4: Simplify right side
197,110.98x = 30,527,543,860.83 - Step 5: Solve for x
x = 30,527,543,860.83/197,110.98 - Step 6: Final answer
x = 154,874.90
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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.