Finding the Fourth Proportional to 102,171.31, 153,327.44 and 35,611.99
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Solution
The fourth proportional to 102,171.31, 153,327.44 and 35,611.99 is: 53,442.55
Step by Step Solution
- Step 1: Write the proportion equation
102,171.31 : 153,327.44 = 35,611.99 : x - Step 2: Convert to fraction form
102,171.31/153,327.44 = 35,611.99/x - Step 3: Cross multiply
102,171.31x = 153,327.44 × 35,611.99 - Step 4: Simplify right side
102,171.31x = 5,460,295,260.01 - Step 5: Solve for x
x = 5,460,295,260.01/102,171.31 - Step 6: Final answer
x = 53,442.55
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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.