Finding the Fourth Proportional to 84,226.08, 126,344.52 and 34,278.96
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Solution
The fourth proportional to 84,226.08, 126,344.52 and 34,278.96 is: 51,420.64
Step by Step Solution
- Step 1: Write the proportion equation
84,226.08 : 126,344.52 = 34,278.96 : x - Step 2: Convert to fraction form
84,226.08/126,344.52 = 34,278.96/x - Step 3: Cross multiply
84,226.08x = 126,344.52 × 34,278.96 - Step 4: Simplify right side
84,226.08x = 4,330,958,747.30 - Step 5: Solve for x
x = 4,330,958,747.30/84,226.08 - Step 6: Final answer
x = 51,420.64
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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.