Finding the Fourth Proportional to 354,960.55, 489,865.40 and 193,830.55
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Solution
The fourth proportional to 354,960.55, 489,865.40 and 193,830.55 is: 267,496.99
Step by Step Solution
- Step 1: Write the proportion equation
354,960.55 : 489,865.40 = 193,830.55 : x - Step 2: Convert to fraction form
354,960.55/489,865.40 = 193,830.55/x - Step 3: Cross multiply
354,960.55x = 489,865.40 × 193,830.55 - Step 4: Simplify right side
354,960.55x = 94,950,879,907.97 - Step 5: Solve for x
x = 94,950,879,907.97/354,960.55 - Step 6: Final answer
x = 267,496.99
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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.