Finding the Fourth Proportional to 352,976.67, 487,183.01 and 217,125.09
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Solution
The fourth proportional to 352,976.67, 487,183.01 and 217,125.09 is: 299,678.88
Step by Step Solution
- Step 1: Write the proportion equation
352,976.67 : 487,183.01 = 217,125.09 : x - Step 2: Convert to fraction form
352,976.67/487,183.01 = 217,125.09/x - Step 3: Cross multiply
352,976.67x = 487,183.01 × 217,125.09 - Step 4: Simplify right side
352,976.67x = 105,779,653,807.10 - Step 5: Solve for x
x = 105,779,653,807.10/352,976.67 - Step 6: Final answer
x = 299,678.88
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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.