Finding the Fourth Proportional to 105,418.09, 158,083.63 and 40,492.68
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Solution
The fourth proportional to 105,418.09, 158,083.63 and 40,492.68 is: 60,722.31
Step by Step Solution
- Step 1: Write the proportion equation
105,418.09 : 158,083.63 = 40,492.68 : x - Step 2: Convert to fraction form
105,418.09/158,083.63 = 40,492.68/x - Step 3: Cross multiply
105,418.09x = 158,083.63 × 40,492.68 - Step 4: Simplify right side
105,418.09x = 6,401,229,893.44 - Step 5: Solve for x
x = 6,401,229,893.44/105,418.09 - Step 6: Final answer
x = 60,722.31
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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.