Finding the Fourth Proportional to 338,074.68, 506,382.96 and 318,201.14
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Solution
The fourth proportional to 338,074.68, 506,382.96 and 318,201.14 is: 476,615.51
Step by Step Solution
- Step 1: Write the proportion equation
338,074.68 : 506,382.96 = 318,201.14 : x - Step 2: Convert to fraction form
338,074.68/506,382.96 = 318,201.14/x - Step 3: Cross multiply
338,074.68x = 506,382.96 × 318,201.14 - Step 4: Simplify right side
338,074.68x = 161,131,635,148.57 - Step 5: Solve for x
x = 161,131,635,148.57/338,074.68 - Step 6: Final answer
x = 476,615.51
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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.