Finding the Fourth Proportional to 376,515.17, 519,597.29 and 206,765.09
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Solution
The fourth proportional to 376,515.17, 519,597.29 and 206,765.09 is: 285,339.31
Step by Step Solution
- Step 1: Write the proportion equation
376,515.17 : 519,597.29 = 206,765.09 : x - Step 2: Convert to fraction form
376,515.17/519,597.29 = 206,765.09/x - Step 3: Cross multiply
376,515.17x = 519,597.29 × 206,765.09 - Step 4: Simplify right side
376,515.17x = 107,434,579,396.78 - Step 5: Solve for x
x = 107,434,579,396.78/376,515.17 - Step 6: Final answer
x = 285,339.31
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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.