Finding the Fourth Proportional to 245,711.12, 368,525.57 and 68,236.07
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Solution
The fourth proportional to 245,711.12, 368,525.57 and 68,236.07 is: 102,342.68
Step by Step Solution
- Step 1: Write the proportion equation
245,711.12 : 368,525.57 = 68,236.07 : x - Step 2: Convert to fraction form
245,711.12/368,525.57 = 68,236.07/x - Step 3: Cross multiply
245,711.12x = 368,525.57 × 68,236.07 - Step 4: Simplify right side
245,711.12x = 25,146,734,407.50 - Step 5: Solve for x
x = 25,146,734,407.50/245,711.12 - Step 6: Final answer
x = 102,342.68
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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.