Finding the Fourth Proportional to 180,249.04, 270,389.00 and 47,129.09
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Solution
The fourth proportional to 180,249.04, 270,389.00 and 47,129.09 is: 70,697.66
Step by Step Solution
- Step 1: Write the proportion equation
180,249.04 : 270,389.00 = 47,129.09 : x - Step 2: Convert to fraction form
180,249.04/270,389.00 = 47,129.09/x - Step 3: Cross multiply
180,249.04x = 270,389.00 × 47,129.09 - Step 4: Simplify right side
180,249.04x = 12,743,186,105.15 - Step 5: Solve for x
x = 12,743,186,105.15/180,249.04 - Step 6: Final answer
x = 70,697.66
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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.