Finding the Fourth Proportional to 265,323.76, 366,138.36 and 157,869.20
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Solution
The fourth proportional to 265,323.76, 366,138.36 and 157,869.20 is: 217,854.48
Step by Step Solution
- Step 1: Write the proportion equation
265,323.76 : 366,138.36 = 157,869.20 : x - Step 2: Convert to fraction form
265,323.76/366,138.36 = 157,869.20/x - Step 3: Cross multiply
265,323.76x = 366,138.36 × 157,869.20 - Step 4: Simplify right side
265,323.76x = 57,801,969,982.51 - Step 5: Solve for x
x = 57,801,969,982.51/265,323.76 - Step 6: Final answer
x = 217,854.48
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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.