Finding the Fourth Proportional to 236,044.76, 325,737.67 and 128,615.68
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Solution
The fourth proportional to 236,044.76, 325,737.67 and 128,615.68 is: 177,487.40
Step by Step Solution
- Step 1: Write the proportion equation
236,044.76 : 325,737.67 = 128,615.68 : x - Step 2: Convert to fraction form
236,044.76/325,737.67 = 128,615.68/x - Step 3: Cross multiply
236,044.76x = 325,737.67 × 128,615.68 - Step 4: Simplify right side
236,044.76x = 41,894,969,978.44 - Step 5: Solve for x
x = 41,894,969,978.44/236,044.76 - Step 6: Final answer
x = 177,487.40
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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.