Finding the Fourth Proportional to 252,760.18, 348,648.86 and 192,198.05
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Solution
The fourth proportional to 252,760.18, 348,648.86 and 192,198.05 is: 265,111.50
Step by Step Solution
- Step 1: Write the proportion equation
252,760.18 : 348,648.86 = 192,198.05 : x - Step 2: Convert to fraction form
252,760.18/348,648.86 = 192,198.05/x - Step 3: Cross multiply
252,760.18x = 348,648.86 × 192,198.05 - Step 4: Simplify right side
252,760.18x = 67,009,631,071.41 - Step 5: Solve for x
x = 67,009,631,071.41/252,760.18 - Step 6: Final answer
x = 265,111.50
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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.