Finding the Fourth Proportional to 198,181.08, 273,337.02 and 137,750.52
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Solution
The fourth proportional to 198,181.08, 273,337.02 and 137,750.52 is: 189,989.46
Step by Step Solution
- Step 1: Write the proportion equation
198,181.08 : 273,337.02 = 137,750.52 : x - Step 2: Convert to fraction form
198,181.08/273,337.02 = 137,750.52/x - Step 3: Cross multiply
198,181.08x = 273,337.02 × 137,750.52 - Step 4: Simplify right side
198,181.08x = 37,652,316,640.25 - Step 5: Solve for x
x = 37,652,316,640.25/198,181.08 - Step 6: Final answer
x = 189,989.46
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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.