Finding the Fourth Proportional to 68,192.03, 102,286.35 and 18,272.07
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Solution
The fourth proportional to 68,192.03, 102,286.35 and 18,272.07 is: 27,407.65
Step by Step Solution
- Step 1: Write the proportion equation
68,192.03 : 102,286.35 = 18,272.07 : x - Step 2: Convert to fraction form
68,192.03/102,286.35 = 18,272.07/x - Step 3: Cross multiply
68,192.03x = 102,286.35 × 18,272.07 - Step 4: Simplify right side
68,192.03x = 1,868,983,347.24 - Step 5: Solve for x
x = 1,868,983,347.24/68,192.03 - Step 6: Final answer
x = 27,407.65
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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.