Finding the Fourth Proportional to 189,073.08, 260,922.60 and 104,193.18
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Solution
The fourth proportional to 189,073.08, 260,922.60 and 104,193.18 is: 143,787.55
Step by Step Solution
- Step 1: Write the proportion equation
189,073.08 : 260,922.60 = 104,193.18 : x - Step 2: Convert to fraction form
189,073.08/260,922.60 = 104,193.18/x - Step 3: Cross multiply
189,073.08x = 260,922.60 × 104,193.18 - Step 4: Simplify right side
189,073.08x = 27,186,355,427.87 - Step 5: Solve for x
x = 27,186,355,427.87/189,073.08 - Step 6: Final answer
x = 143,787.55
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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.