Finding the Fourth Proportional to 143,051.24, 197,420.14 and 82,624.44
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Solution
The fourth proportional to 143,051.24, 197,420.14 and 82,624.44 is: 114,027.17
Step by Step Solution
- Step 1: Write the proportion equation
143,051.24 : 197,420.14 = 82,624.44 : x - Step 2: Convert to fraction form
143,051.24/197,420.14 = 82,624.44/x - Step 3: Cross multiply
143,051.24x = 197,420.14 × 82,624.44 - Step 4: Simplify right side
143,051.24x = 16,311,728,512.22 - Step 5: Solve for x
x = 16,311,728,512.22/143,051.24 - Step 6: Final answer
x = 114,027.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.