Finding the Fourth Proportional to 111,433.08, 153,776.74 and 60,445.68
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Solution
The fourth proportional to 111,433.08, 153,776.74 and 60,445.68 is: 83,414.54
Step by Step Solution
- Step 1: Write the proportion equation
111,433.08 : 153,776.74 = 60,445.68 : x - Step 2: Convert to fraction form
111,433.08/153,776.74 = 60,445.68/x - Step 3: Cross multiply
111,433.08x = 153,776.74 × 60,445.68 - Step 4: Simplify right side
111,433.08x = 9,295,139,617.48 - Step 5: Solve for x
x = 9,295,139,617.48/111,433.08 - Step 6: Final answer
x = 83,414.54
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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.