Finding the Fourth Proportional to 302,062.14, 416,938.68 and 194,631.84
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Solution
The fourth proportional to 302,062.14, 416,938.68 and 194,631.84 is: 268,651.82
Step by Step Solution
- Step 1: Write the proportion equation
302,062.14 : 416,938.68 = 194,631.84 : x - Step 2: Convert to fraction form
302,062.14/416,938.68 = 194,631.84/x - Step 3: Cross multiply
302,062.14x = 416,938.68 × 194,631.84 - Step 4: Simplify right side
302,062.14x = 81,149,542,455.57 - Step 5: Solve for x
x = 81,149,542,455.57/302,062.14 - Step 6: Final answer
x = 268,651.82
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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.