Finding the Fourth Proportional to 197,605.94, 296,423.90 and 77,604.99
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Solution
The fourth proportional to 197,605.94, 296,423.90 and 77,604.99 is: 116,413.37
Step by Step Solution
- Step 1: Write the proportion equation
197,605.94 : 296,423.90 = 77,604.99 : x - Step 2: Convert to fraction form
197,605.94/296,423.90 = 77,604.99/x - Step 3: Cross multiply
197,605.94x = 296,423.90 × 77,604.99 - Step 4: Simplify right side
197,605.94x = 23,003,973,407.24 - Step 5: Solve for x
x = 23,003,973,407.24/197,605.94 - Step 6: Final answer
x = 116,413.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.