Finding the Fourth Proportional to 203,866.09, 305,775.36 and 54,118.01
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Solution
The fourth proportional to 203,866.09, 305,775.36 and 54,118.01 is: 81,170.71
Step by Step Solution
- Step 1: Write the proportion equation
203,866.09 : 305,775.36 = 54,118.01 : x - Step 2: Convert to fraction form
203,866.09/305,775.36 = 54,118.01/x - Step 3: Cross multiply
203,866.09x = 305,775.36 × 54,118.01 - Step 4: Simplify right side
203,866.09x = 16,547,954,754.67 - Step 5: Solve for x
x = 16,547,954,754.67/203,866.09 - Step 6: Final answer
x = 81,170.71
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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.