Finding the Fourth Proportional to 347,720.80, 521,289.60 and 181,508.80
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Solution
The fourth proportional to 347,720.80, 521,289.60 and 181,508.80 is: 272,110.99
Step by Step Solution
- Step 1: Write the proportion equation
347,720.80 : 521,289.60 = 181,508.80 : x - Step 2: Convert to fraction form
347,720.80/521,289.60 = 181,508.80/x - Step 3: Cross multiply
347,720.80x = 521,289.60 × 181,508.80 - Step 4: Simplify right side
347,720.80x = 94,618,649,748.48 - Step 5: Solve for x
x = 94,618,649,748.48/347,720.80 - Step 6: Final answer
x = 272,110.99
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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.