Finding the Fourth Proportional to 114,021.79, 170,197.65 and 100,555.00
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Solution
The fourth proportional to 114,021.79, 170,197.65 and 100,555.00 is: 150,096.09
Step by Step Solution
- Step 1: Write the proportion equation
114,021.79 : 170,197.65 = 100,555.00 : x - Step 2: Convert to fraction form
114,021.79/170,197.65 = 100,555.00/x - Step 3: Cross multiply
114,021.79x = 170,197.65 × 100,555.00 - Step 4: Simplify right side
114,021.79x = 17,114,224,270.26 - Step 5: Solve for x
x = 17,114,224,270.26/114,021.79 - Step 6: Final answer
x = 150,096.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.