Finding the Fourth Proportional to 194,177.51, 267,947.89 and 108,129.99
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Solution
The fourth proportional to 194,177.51, 267,947.89 and 108,129.99 is: 149,209.88
Step by Step Solution
- Step 1: Write the proportion equation
194,177.51 : 267,947.89 = 108,129.99 : x - Step 2: Convert to fraction form
194,177.51/267,947.89 = 108,129.99/x - Step 3: Cross multiply
194,177.51x = 267,947.89 × 108,129.99 - Step 4: Simplify right side
194,177.51x = 28,973,202,395.90 - Step 5: Solve for x
x = 28,973,202,395.90/194,177.51 - Step 6: Final answer
x = 149,209.88
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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.