Finding the Fourth Proportional to 189,460.95, 261,458.28 and 104,578.08
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Solution
The fourth proportional to 189,460.95, 261,458.28 and 104,578.08 is: 144,318.95
Step by Step Solution
- Step 1: Write the proportion equation
189,460.95 : 261,458.28 = 104,578.08 : x - Step 2: Convert to fraction form
189,460.95/261,458.28 = 104,578.08/x - Step 3: Cross multiply
189,460.95x = 261,458.28 × 104,578.08 - Step 4: Simplify right side
189,460.95x = 27,342,804,922.50 - Step 5: Solve for x
x = 27,342,804,922.50/189,460.95 - Step 6: Final answer
x = 144,318.95
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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.