Finding the Fourth Proportional to 551,201.20, 826,607.40 and 196,226.80
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Solution
The fourth proportional to 551,201.20, 826,607.40 and 196,226.80 is: 294,270.99
Step by Step Solution
- Step 1: Write the proportion equation
551,201.20 : 826,607.40 = 196,226.80 : x - Step 2: Convert to fraction form
551,201.20/826,607.40 = 196,226.80/x - Step 3: Cross multiply
551,201.20x = 826,607.40 × 196,226.80 - Step 4: Simplify right side
551,201.20x = 162,202,524,958.32 - Step 5: Solve for x
x = 162,202,524,958.32/551,201.20 - Step 6: Final answer
x = 294,270.99
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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.