Finding the Fourth Proportional to 272,945.95, 408,919.97 and 197,880.19
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Solution
The fourth proportional to 272,945.95, 408,919.97 and 197,880.19 is: 296,458.55
Step by Step Solution
- Step 1: Write the proportion equation
272,945.95 : 408,919.97 = 197,880.19 : x - Step 2: Convert to fraction form
272,945.95/408,919.97 = 197,880.19/x - Step 3: Cross multiply
272,945.95x = 408,919.97 × 197,880.19 - Step 4: Simplify right side
272,945.95x = 80,917,160,368.99 - Step 5: Solve for x
x = 80,917,160,368.99/272,945.95 - Step 6: Final answer
x = 296,458.55
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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.