Finding the Fourth Proportional to 318,125.10, 476,837.73 and 131,034.54
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Solution
The fourth proportional to 318,125.10, 476,837.73 and 131,034.54 is: 196,407.68
Step by Step Solution
- Step 1: Write the proportion equation
318,125.10 : 476,837.73 = 131,034.54 : x - Step 2: Convert to fraction form
318,125.10/476,837.73 = 131,034.54/x - Step 3: Cross multiply
318,125.10x = 476,837.73 × 131,034.54 - Step 4: Simplify right side
318,125.10x = 62,482,212,605.19 - Step 5: Solve for x
x = 62,482,212,605.19/318,125.10 - Step 6: Final answer
x = 196,407.68
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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.