Finding the Fourth Proportional to 74,198.70, 111,313.62 and 24,274.94
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Solution
The fourth proportional to 74,198.70, 111,313.62 and 24,274.94 is: 36,417.50
Step by Step Solution
- Step 1: Write the proportion equation
74,198.70 : 111,313.62 = 24,274.94 : x - Step 2: Convert to fraction form
74,198.70/111,313.62 = 24,274.94/x - Step 3: Cross multiply
74,198.70x = 111,313.62 × 24,274.94 - Step 4: Simplify right side
74,198.70x = 2,702,130,890.11 - Step 5: Solve for x
x = 2,702,130,890.11/74,198.70 - Step 6: Final answer
x = 36,417.50
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1.5x scale
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.