Finding the Fourth Proportional to 320,082.08, 441,708.09 and 174,884.75
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Solution
The fourth proportional to 320,082.08, 441,708.09 and 174,884.75 is: 241,338.12
Step by Step Solution
- Step 1: Write the proportion equation
320,082.08 : 441,708.09 = 174,884.75 : x - Step 2: Convert to fraction form
320,082.08/441,708.09 = 174,884.75/x - Step 3: Cross multiply
320,082.08x = 441,708.09 × 174,884.75 - Step 4: Simplify right side
320,082.08x = 77,248,006,442.37 - Step 5: Solve for x
x = 77,248,006,442.37/320,082.08 - Step 6: Final answer
x = 241,338.12
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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.