Finding the Fourth Proportional to 143,375.99, 215,050.09 and 43,537.05
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Solution
The fourth proportional to 143,375.99, 215,050.09 and 43,537.05 is: 65,301.35
Step by Step Solution
- Step 1: Write the proportion equation
143,375.99 : 215,050.09 = 43,537.05 : x - Step 2: Convert to fraction form
143,375.99/215,050.09 = 43,537.05/x - Step 3: Cross multiply
143,375.99x = 215,050.09 × 43,537.05 - Step 4: Simplify right side
143,375.99x = 9,362,646,303.15 - Step 5: Solve for x
x = 9,362,646,303.15/143,375.99 - Step 6: Final answer
x = 65,301.35
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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.