Finding the Fourth Proportional to 435,932.37, 653,906.79 and 120,397.68
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Solution
The fourth proportional to 435,932.37, 653,906.79 and 120,397.68 is: 180,598.79
Step by Step Solution
- Step 1: Write the proportion equation
435,932.37 : 653,906.79 = 120,397.68 : x - Step 2: Convert to fraction form
435,932.37/653,906.79 = 120,397.68/x - Step 3: Cross multiply
435,932.37x = 653,906.79 × 120,397.68 - Step 4: Simplify right side
435,932.37x = 78,728,860,452.25 - Step 5: Solve for x
x = 78,728,860,452.25/435,932.37 - Step 6: Final answer
x = 180,598.79
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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.