Finding the Fourth Proportional to 189,224.64, 261,110.88 and 104,339.52
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Solution
The fourth proportional to 189,224.64, 261,110.88 and 104,339.52 is: 143,977.99
Step by Step Solution
- Step 1: Write the proportion equation
189,224.64 : 261,110.88 = 104,339.52 : x - Step 2: Convert to fraction form
189,224.64/261,110.88 = 104,339.52/x - Step 3: Cross multiply
189,224.64x = 261,110.88 × 104,339.52 - Step 4: Simplify right side
189,224.64x = 27,244,183,885.98 - Step 5: Solve for x
x = 27,244,183,885.98/189,224.64 - Step 6: Final answer
x = 143,977.99
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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.