Finding the Fourth Proportional to 252,414.80, 378,597.36 and 102,664.04
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Solution
The fourth proportional to 252,414.80, 378,597.36 and 102,664.04 is: 153,985.96
Step by Step Solution
- Step 1: Write the proportion equation
252,414.80 : 378,597.36 = 102,664.04 : x - Step 2: Convert to fraction form
252,414.80/378,597.36 = 102,664.04/x - Step 3: Cross multiply
252,414.80x = 378,597.36 × 102,664.04 - Step 4: Simplify right side
252,414.80x = 38,868,334,510.93 - Step 5: Solve for x
x = 38,868,334,510.93/252,414.80 - Step 6: Final answer
x = 153,985.96
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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.