Finding the Fourth Proportional to 277,219.05, 415,873.42 and 108,647.95
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Solution
The fourth proportional to 277,219.05, 415,873.42 and 108,647.95 is: 162,989.50
Step by Step Solution
- Step 1: Write the proportion equation
277,219.05 : 415,873.42 = 108,647.95 : x - Step 2: Convert to fraction form
277,219.05/415,873.42 = 108,647.95/x - Step 3: Cross multiply
277,219.05x = 415,873.42 × 108,647.95 - Step 4: Simplify right side
277,219.05x = 45,183,794,542.49 - Step 5: Solve for x
x = 45,183,794,542.49/277,219.05 - Step 6: Final answer
x = 162,989.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.