Finding the Fourth Proportional to 118,256.10, 177,452.37 and 65,661.18
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Solution
The fourth proportional to 118,256.10, 177,452.37 and 65,661.18 is: 98,529.65
Step by Step Solution
- Step 1: Write the proportion equation
118,256.10 : 177,452.37 = 65,661.18 : x - Step 2: Convert to fraction form
118,256.10/177,452.37 = 65,661.18/x - Step 3: Cross multiply
118,256.10x = 177,452.37 × 65,661.18 - Step 4: Simplify right side
118,256.10x = 11,651,732,008.00 - Step 5: Solve for x
x = 11,651,732,008.00/118,256.10 - Step 6: Final answer
x = 98,529.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.