Finding the Fourth Proportional to 189,092.29, 260,947.36 and 104,209.35
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Solution
The fourth proportional to 189,092.29, 260,947.36 and 104,209.35 is: 143,808.90
Step by Step Solution
- Step 1: Write the proportion equation
189,092.29 : 260,947.36 = 104,209.35 : x - Step 2: Convert to fraction form
189,092.29/260,947.36 = 104,209.35/x - Step 3: Cross multiply
189,092.29x = 260,947.36 × 104,209.35 - Step 4: Simplify right side
189,092.29x = 27,193,154,509.29 - Step 5: Solve for x
x = 27,193,154,509.29/189,092.29 - Step 6: Final answer
x = 143,808.90
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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.