Finding the Fourth Proportional to 169,250.11, 253,868.99 and 68,079.49
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Solution
The fourth proportional to 169,250.11, 253,868.99 and 68,079.49 is: 102,116.75
Step by Step Solution
- Step 1: Write the proportion equation
169,250.11 : 253,868.99 = 68,079.49 : x - Step 2: Convert to fraction form
169,250.11/253,868.99 = 68,079.49/x - Step 3: Cross multiply
169,250.11x = 253,868.99 × 68,079.49 - Step 4: Simplify right side
169,250.11x = 17,283,271,366.02 - Step 5: Solve for x
x = 17,283,271,366.02/169,250.11 - Step 6: Final answer
x = 102,116.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.