Finding the Fourth Proportional to 109,889.55, 164,779.63 and 34,999.99
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Solution
The fourth proportional to 109,889.55, 164,779.63 and 34,999.99 is: 52,482.56
Step by Step Solution
- Step 1: Write the proportion equation
109,889.55 : 164,779.63 = 34,999.99 : x - Step 2: Convert to fraction form
109,889.55/164,779.63 = 34,999.99/x - Step 3: Cross multiply
109,889.55x = 164,779.63 × 34,999.99 - Step 4: Simplify right side
109,889.55x = 5,767,284,902.75 - Step 5: Solve for x
x = 5,767,284,902.75/109,889.55 - Step 6: Final answer
x = 52,482.56
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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.