Finding the Fourth Proportional to 387,013.59, 534,083.99 and 214,942.68
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Solution
The fourth proportional to 387,013.59, 534,083.99 and 214,942.68 is: 296,623.80
Step by Step Solution
- Step 1: Write the proportion equation
387,013.59 : 534,083.99 = 214,942.68 : x - Step 2: Convert to fraction form
387,013.59/534,083.99 = 214,942.68/x - Step 3: Cross multiply
387,013.59x = 534,083.99 × 214,942.68 - Step 4: Simplify right side
387,013.59x = 114,797,443,080.98 - Step 5: Solve for x
x = 114,797,443,080.98/387,013.59 - Step 6: Final answer
x = 296,623.80
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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.