Finding the Fourth Proportional to 384,821.70, 531,202.12 and 344,464.26
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Solution
The fourth proportional to 384,821.70, 531,202.12 and 344,464.26 is: 475,493.31
Step by Step Solution
- Step 1: Write the proportion equation
384,821.70 : 531,202.12 = 344,464.26 : x - Step 2: Convert to fraction form
384,821.70/531,202.12 = 344,464.26/x - Step 3: Cross multiply
384,821.70x = 531,202.12 × 344,464.26 - Step 4: Simplify right side
384,821.70x = 182,980,145,176.23 - Step 5: Solve for x
x = 182,980,145,176.23/384,821.70 - Step 6: Final answer
x = 475,493.31
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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.