Finding the Fourth Proportional to 212,595.53, 318,893.69 and 199,604.75
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Solution
The fourth proportional to 212,595.53, 318,893.69 and 199,604.75 is: 299,407.49
Step by Step Solution
- Step 1: Write the proportion equation
212,595.53 : 318,893.69 = 199,604.75 : x - Step 2: Convert to fraction form
212,595.53/318,893.69 = 199,604.75/x - Step 3: Cross multiply
212,595.53x = 318,893.69 × 199,604.75 - Step 4: Simplify right side
212,595.53x = 63,652,692,676.54 - Step 5: Solve for x
x = 63,652,692,676.54/212,595.53 - Step 6: Final answer
x = 299,407.49
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1.5x scale
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.