Finding the Fourth Proportional to 518,189.98, 777,128.11 and 181,167.81
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Solution
The fourth proportional to 518,189.98, 777,128.11 and 181,167.81 is: 271,696.88
Step by Step Solution
- Step 1: Write the proportion equation
518,189.98 : 777,128.11 = 181,167.81 : x - Step 2: Convert to fraction form
518,189.98/777,128.11 = 181,167.81/x - Step 3: Cross multiply
518,189.98x = 777,128.11 × 181,167.81 - Step 4: Simplify right side
518,189.98x = 140,790,597,615.73 - Step 5: Solve for x
x = 140,790,597,615.73/518,189.98 - Step 6: Final answer
x = 271,696.88
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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.