Finding the Fourth Proportional to 160,408.56, 221,419.08 and 92,452.68
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Solution
The fourth proportional to 160,408.56, 221,419.08 and 92,452.68 is: 127,616.55
Step by Step Solution
- Step 1: Write the proportion equation
160,408.56 : 221,419.08 = 92,452.68 : x - Step 2: Convert to fraction form
160,408.56/221,419.08 = 92,452.68/x - Step 3: Cross multiply
160,408.56x = 221,419.08 × 92,452.68 - Step 4: Simplify right side
160,408.56x = 20,470,787,349.13 - Step 5: Solve for x
x = 20,470,787,349.13/160,408.56 - Step 6: Final answer
x = 127,616.55
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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.