Finding the Fourth Proportional to 84,226.60, 126,332.61 and 34,311.97
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Solution
The fourth proportional to 84,226.60, 126,332.61 and 34,311.97 is: 51,464.99
Step by Step Solution
- Step 1: Write the proportion equation
84,226.60 : 126,332.61 = 34,311.97 : x - Step 2: Convert to fraction form
84,226.60/126,332.61 = 34,311.97/x - Step 3: Cross multiply
84,226.60x = 126,332.61 × 34,311.97 - Step 4: Simplify right side
84,226.60x = 4,334,720,724.34 - Step 5: Solve for x
x = 4,334,720,724.34/84,226.60 - Step 6: Final answer
x = 51,464.99
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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.