Finding the Fourth Proportional to 512,699.41, 768,543.67 and 180,042.13
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Solution
The fourth proportional to 512,699.41, 768,543.67 and 180,042.13 is: 269,885.70
Step by Step Solution
- Step 1: Write the proportion equation
512,699.41 : 768,543.67 = 180,042.13 : x - Step 2: Convert to fraction form
512,699.41/768,543.67 = 180,042.13/x - Step 3: Cross multiply
512,699.41x = 768,543.67 × 180,042.13 - Step 4: Simplify right side
512,699.41x = 138,370,239,344.82 - Step 5: Solve for x
x = 138,370,239,344.82/512,699.41 - Step 6: Final answer
x = 269,885.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.