Finding the Fourth Proportional to 318,120.42, 476,142.12 and 233,858.28
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Solution
The fourth proportional to 318,120.42, 476,142.12 and 233,858.28 is: 350,023.99
Step by Step Solution
- Step 1: Write the proportion equation
318,120.42 : 476,142.12 = 233,858.28 : x - Step 2: Convert to fraction form
318,120.42/476,142.12 = 233,858.28/x - Step 3: Cross multiply
318,120.42x = 476,142.12 × 233,858.28 - Step 4: Simplify right side
318,120.42x = 111,349,777,218.75 - Step 5: Solve for x
x = 111,349,777,218.75/318,120.42 - Step 6: Final answer
x = 350,023.99
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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.