Finding the Fourth Proportional to 212,027.10, 318,040.65 and 107,051.10
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Solution
The fourth proportional to 212,027.10, 318,040.65 and 107,051.10 is: 160,576.65
Step by Step Solution
- Step 1: Write the proportion equation
212,027.10 : 318,040.65 = 107,051.10 : x - Step 2: Convert to fraction form
212,027.10/318,040.65 = 107,051.10/x - Step 3: Cross multiply
212,027.10x = 318,040.65 × 107,051.10 - Step 4: Simplify right side
212,027.10x = 34,046,601,427.22 - Step 5: Solve for x
x = 34,046,601,427.22/212,027.10 - Step 6: Final answer
x = 160,576.65
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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.