Finding the Fourth Proportional to 239,138.62, 330,026.27 and 131,708.63
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Solution
The fourth proportional to 239,138.62, 330,026.27 and 131,708.63 is: 181,766.15
Step by Step Solution
- Step 1: Write the proportion equation
239,138.62 : 330,026.27 = 131,708.63 : x - Step 2: Convert to fraction form
239,138.62/330,026.27 = 131,708.63/x - Step 3: Cross multiply
239,138.62x = 330,026.27 × 131,708.63 - Step 4: Simplify right side
239,138.62x = 43,467,306,564.85 - Step 5: Solve for x
x = 43,467,306,564.85/239,138.62 - Step 6: Final answer
x = 181,766.15
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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.