Finding the Fourth Proportional to 346,381.24, 477,969.62 and 201,158.68
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Solution
The fourth proportional to 346,381.24, 477,969.62 and 201,158.68 is: 277,577.79
Step by Step Solution
- Step 1: Write the proportion equation
346,381.24 : 477,969.62 = 201,158.68 : x - Step 2: Convert to fraction form
346,381.24/477,969.62 = 201,158.68/x - Step 3: Cross multiply
346,381.24x = 477,969.62 × 201,158.68 - Step 4: Simplify right side
346,381.24x = 96,147,737,839.30 - Step 5: Solve for x
x = 96,147,737,839.30/346,381.24 - Step 6: Final answer
x = 277,577.79
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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.