Finding the Fourth Proportional to 197,834.08, 273,105.64 and 112,934.74
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Solution
The fourth proportional to 197,834.08, 273,105.64 and 112,934.74 is: 155,903.95
Step by Step Solution
- Step 1: Write the proportion equation
197,834.08 : 273,105.64 = 112,934.74 : x - Step 2: Convert to fraction form
197,834.08/273,105.64 = 112,934.74/x - Step 3: Cross multiply
197,834.08x = 273,105.64 × 112,934.74 - Step 4: Simplify right side
197,834.08x = 30,843,114,445.93 - Step 5: Solve for x
x = 30,843,114,445.93/197,834.08 - Step 6: Final answer
x = 155,903.95
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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.