Finding the Fourth Proportional to 240,415.27, 331,768.97 and 132,985.21
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Solution
The fourth proportional to 240,415.27, 331,768.97 and 132,985.21 is: 183,517.32
Step by Step Solution
- Step 1: Write the proportion equation
240,415.27 : 331,768.97 = 132,985.21 : x - Step 2: Convert to fraction form
240,415.27/331,768.97 = 132,985.21/x - Step 3: Cross multiply
240,415.27x = 331,768.97 × 132,985.21 - Step 4: Simplify right side
240,415.27x = 44,120,366,146.93 - Step 5: Solve for x
x = 44,120,366,146.93/240,415.27 - Step 6: Final answer
x = 183,517.32
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1.5x scale
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.