Finding the Fourth Proportional to 355,804.62, 491,013.99 and 194,656.14
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Solution
The fourth proportional to 355,804.62, 491,013.99 and 194,656.14 is: 268,627.45
Step by Step Solution
- Step 1: Write the proportion equation
355,804.62 : 491,013.99 = 194,656.14 : x - Step 2: Convert to fraction form
355,804.62/491,013.99 = 194,656.14/x - Step 3: Cross multiply
355,804.62x = 491,013.99 × 194,656.14 - Step 4: Simplify right side
355,804.62x = 95,578,887,979.40 - Step 5: Solve for x
x = 95,578,887,979.40/355,804.62 - Step 6: Final answer
x = 268,627.45
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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.