Finding the Fourth Proportional to 170,649.37, 235,542.97 and 99,052.46
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Solution
The fourth proportional to 170,649.37, 235,542.97 and 99,052.46 is: 136,719.58
Step by Step Solution
- Step 1: Write the proportion equation
170,649.37 : 235,542.97 = 99,052.46 : x - Step 2: Convert to fraction form
170,649.37/235,542.97 = 99,052.46/x - Step 3: Cross multiply
170,649.37x = 235,542.97 × 99,052.46 - Step 4: Simplify right side
170,649.37x = 23,331,108,941.23 - Step 5: Solve for x
x = 23,331,108,941.23/170,649.37 - Step 6: Final answer
x = 136,719.58
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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.