Finding the Fourth Proportional to 197,835.08, 273,107.02 and 112,935.74
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Solution
The fourth proportional to 197,835.08, 273,107.02 and 112,935.74 is: 155,905.33
Step by Step Solution
- Step 1: Write the proportion equation
197,835.08 : 273,107.02 = 112,935.74 : x - Step 2: Convert to fraction form
197,835.08/273,107.02 = 112,935.74/x - Step 3: Cross multiply
197,835.08x = 273,107.02 × 112,935.74 - Step 4: Simplify right side
197,835.08x = 30,843,543,402.89 - Step 5: Solve for x
x = 30,843,543,402.89/197,835.08 - Step 6: Final answer
x = 155,905.33
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1.5x scale
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.