Finding the Fourth Proportional to 115,043.22, 172,419.44 and 51,795.99
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Solution
The fourth proportional to 115,043.22, 172,419.44 and 51,795.99 is: 77,628.52
Step by Step Solution
- Step 1: Write the proportion equation
115,043.22 : 172,419.44 = 51,795.99 : x - Step 2: Convert to fraction form
115,043.22/172,419.44 = 51,795.99/x - Step 3: Cross multiply
115,043.22x = 172,419.44 × 51,795.99 - Step 4: Simplify right side
115,043.22x = 8,930,635,331.07 - Step 5: Solve for x
x = 8,930,635,331.07/115,043.22 - Step 6: Final answer
x = 77,628.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.