Finding the Fourth Proportional to 197,658.70, 296,543.41 and 79,413.08
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Solution
The fourth proportional to 197,658.70, 296,543.41 and 79,413.08 is: 119,141.85
Step by Step Solution
- Step 1: Write the proportion equation
197,658.70 : 296,543.41 = 79,413.08 : x - Step 2: Convert to fraction form
197,658.70/296,543.41 = 79,413.08/x - Step 3: Cross multiply
197,658.70x = 296,543.41 × 79,413.08 - Step 4: Simplify right side
197,658.70x = 23,549,423,860.55 - Step 5: Solve for x
x = 23,549,423,860.55/197,658.70 - Step 6: Final answer
x = 119,141.85
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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.