Finding the Fourth Proportional to 448,980.26, 619,436.40 and 287,924.10
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Solution
The fourth proportional to 448,980.26, 619,436.40 and 287,924.10 is: 397,234.99
Step by Step Solution
- Step 1: Write the proportion equation
448,980.26 : 619,436.40 = 287,924.10 : x - Step 2: Convert to fraction form
448,980.26/619,436.40 = 287,924.10/x - Step 3: Cross multiply
448,980.26x = 619,436.40 × 287,924.10 - Step 4: Simplify right side
448,980.26x = 178,350,667,977.24 - Step 5: Solve for x
x = 178,350,667,977.24/448,980.26 - Step 6: Final answer
x = 397,234.99
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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.