Finding the Fourth Proportional to 384,757.62, 531,305.94 and 239,810.78
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Solution
The fourth proportional to 384,757.62, 531,305.94 and 239,810.78 is: 331,151.06
Step by Step Solution
- Step 1: Write the proportion equation
384,757.62 : 531,305.94 = 239,810.78 : x - Step 2: Convert to fraction form
384,757.62/531,305.94 = 239,810.78/x - Step 3: Cross multiply
384,757.62x = 531,305.94 × 239,810.78 - Step 4: Simplify right side
384,757.62x = 127,412,891,890.03 - Step 5: Solve for x
x = 127,412,891,890.03/384,757.62 - Step 6: Final answer
x = 331,151.06
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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.