Finding the Fourth Proportional to 189,534.08, 261,550.17 and 104,649.32
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Solution
The fourth proportional to 189,534.08, 261,550.17 and 104,649.32 is: 144,412.28
Step by Step Solution
- Step 1: Write the proportion equation
189,534.08 : 261,550.17 = 104,649.32 : x - Step 2: Convert to fraction form
189,534.08/261,550.17 = 104,649.32/x - Step 3: Cross multiply
189,534.08x = 261,550.17 × 104,649.32 - Step 4: Simplify right side
189,534.08x = 27,371,048,090.26 - Step 5: Solve for x
x = 27,371,048,090.26/189,534.08 - Step 6: Final answer
x = 144,412.28
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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.