Finding the Fourth Proportional to 189,475.98, 261,478.95 and 104,593.14
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Solution
The fourth proportional to 189,475.98, 261,478.95 and 104,593.14 is: 144,339.69
Step by Step Solution
- Step 1: Write the proportion equation
189,475.98 : 261,478.95 = 104,593.14 : x - Step 2: Convert to fraction form
189,475.98/261,478.95 = 104,593.14/x - Step 3: Cross multiply
189,475.98x = 261,478.95 × 104,593.14 - Step 4: Simplify right side
189,475.98x = 27,348,904,424.40 - Step 5: Solve for x
x = 27,348,904,424.40/189,475.98 - Step 6: Final answer
x = 144,339.69
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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.