Finding the Fourth Proportional to 263,858.80, 364,125.36 and 154,941.88
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Solution
The fourth proportional to 263,858.80, 364,125.36 and 154,941.88 is: 213,819.92
Step by Step Solution
- Step 1: Write the proportion equation
263,858.80 : 364,125.36 = 154,941.88 : x - Step 2: Convert to fraction form
263,858.80/364,125.36 = 154,941.88/x - Step 3: Cross multiply
263,858.80x = 364,125.36 × 154,941.88 - Step 4: Simplify right side
263,858.80x = 56,418,267,834.08 - Step 5: Solve for x
x = 56,418,267,834.08/263,858.80 - Step 6: Final answer
x = 213,819.92
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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.