Finding the Fourth Proportional to 181,542.80, 272,420.76 and 76,353.68
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Solution
The fourth proportional to 181,542.80, 272,420.76 and 76,353.68 is: 114,575.34
Step by Step Solution
- Step 1: Write the proportion equation
181,542.80 : 272,420.76 = 76,353.68 : x - Step 2: Convert to fraction form
181,542.80/272,420.76 = 76,353.68/x - Step 3: Cross multiply
181,542.80x = 272,420.76 × 76,353.68 - Step 4: Simplify right side
181,542.80x = 20,800,327,534.40 - Step 5: Solve for x
x = 20,800,327,534.40/181,542.80 - Step 6: Final answer
x = 114,575.34
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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.