Finding the Fourth Proportional to 208,902.24, 288,280.62 and 113,408.10
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Solution
The fourth proportional to 208,902.24, 288,280.62 and 113,408.10 is: 156,500.75
Step by Step Solution
- Step 1: Write the proportion equation
208,902.24 : 288,280.62 = 113,408.10 : x - Step 2: Convert to fraction form
208,902.24/288,280.62 = 113,408.10/x - Step 3: Cross multiply
208,902.24x = 288,280.62 × 113,408.10 - Step 4: Simplify right side
208,902.24x = 32,693,357,381.02 - Step 5: Solve for x
x = 32,693,357,381.02/208,902.24 - Step 6: Final answer
x = 156,500.75
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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.