Finding the Fourth Proportional to 384,093.97, 530,261.97 and 231,169.70
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Solution
The fourth proportional to 384,093.97, 530,261.97 and 231,169.70 is: 319,141.96
Step by Step Solution
- Step 1: Write the proportion equation
384,093.97 : 530,261.97 = 231,169.70 : x - Step 2: Convert to fraction form
384,093.97/530,261.97 = 231,169.70/x - Step 3: Cross multiply
384,093.97x = 530,261.97 × 231,169.70 - Step 4: Simplify right side
384,093.97x = 122,580,500,526.31 - Step 5: Solve for x
x = 122,580,500,526.31/384,093.97 - Step 6: Final answer
x = 319,141.96
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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.