Finding the Fourth Proportional to 160,404.44, 221,381.42 and 92,408.18
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Solution
The fourth proportional to 160,404.44, 221,381.42 and 92,408.18 is: 127,536.70
Step by Step Solution
- Step 1: Write the proportion equation
160,404.44 : 221,381.42 = 92,408.18 : x - Step 2: Convert to fraction form
160,404.44/221,381.42 = 92,408.18/x - Step 3: Cross multiply
160,404.44x = 221,381.42 × 92,408.18 - Step 4: Simplify right side
160,404.44x = 20,457,452,539.07 - Step 5: Solve for x
x = 20,457,452,539.07/160,404.44 - Step 6: Final answer
x = 127,536.70
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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.