Finding the Fourth Proportional to 465,261.18, 642,120.39 and 283,934.58
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Solution
The fourth proportional to 465,261.18, 642,120.39 and 283,934.58 is: 391,866.31
Step by Step Solution
- Step 1: Write the proportion equation
465,261.18 : 642,120.39 = 283,934.58 : x - Step 2: Convert to fraction form
465,261.18/642,120.39 = 283,934.58/x - Step 3: Cross multiply
465,261.18x = 642,120.39 × 283,934.58 - Step 4: Simplify right side
465,261.18x = 182,320,183,244.09 - Step 5: Solve for x
x = 182,320,183,244.09/465,261.18 - Step 6: Final answer
x = 391,866.31
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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.