Finding the Fourth Proportional to 221,874.60, 306,163.08 and 131,233.80
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Solution
The fourth proportional to 221,874.60, 306,163.08 and 131,233.80 is: 181,088.53
Step by Step Solution
- Step 1: Write the proportion equation
221,874.60 : 306,163.08 = 131,233.80 : x - Step 2: Convert to fraction form
221,874.60/306,163.08 = 131,233.80/x - Step 3: Cross multiply
221,874.60x = 306,163.08 × 131,233.80 - Step 4: Simplify right side
221,874.60x = 40,178,944,408.10 - Step 5: Solve for x
x = 40,178,944,408.10/221,874.60 - Step 6: Final answer
x = 181,088.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.