Finding the Fourth Proportional to 197,401.65, 272,413.48 and 106,757.70
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Solution
The fourth proportional to 197,401.65, 272,413.48 and 106,757.70 is: 147,325.19
Step by Step Solution
- Step 1: Write the proportion equation
197,401.65 : 272,413.48 = 106,757.70 : x - Step 2: Convert to fraction form
197,401.65/272,413.48 = 106,757.70/x - Step 3: Cross multiply
197,401.65x = 272,413.48 × 106,757.70 - Step 4: Simplify right side
197,401.65x = 29,082,236,573.80 - Step 5: Solve for x
x = 29,082,236,573.80/197,401.65 - Step 6: Final answer
x = 147,325.19
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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.