Finding the Fourth Proportional to 111,197.43, 153,452.58 and 63,466.17
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Solution
The fourth proportional to 111,197.43, 153,452.58 and 63,466.17 is: 87,583.39
Step by Step Solution
- Step 1: Write the proportion equation
111,197.43 : 153,452.58 = 63,466.17 : x - Step 2: Convert to fraction form
111,197.43/153,452.58 = 63,466.17/x - Step 3: Cross multiply
111,197.43x = 153,452.58 × 63,466.17 - Step 4: Simplify right side
111,197.43x = 9,739,047,529.22 - Step 5: Solve for x
x = 9,739,047,529.22/111,197.43 - Step 6: Final answer
x = 87,583.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.