Finding the Fourth Proportional to 189,335.64, 261,283.17 and 104,452.70
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Solution
The fourth proportional to 189,335.64, 261,283.17 and 104,452.70 is: 144,144.72
Step by Step Solution
- Step 1: Write the proportion equation
189,335.64 : 261,283.17 = 104,452.70 : x - Step 2: Convert to fraction form
189,335.64/261,283.17 = 104,452.70/x - Step 3: Cross multiply
189,335.64x = 261,283.17 × 104,452.70 - Step 4: Simplify right side
189,335.64x = 27,291,732,571.06 - Step 5: Solve for x
x = 27,291,732,571.06/189,335.64 - Step 6: Final answer
x = 144,144.72
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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.