Finding the Fourth Proportional to 117,386.76, 176,059.64 and 54,201.48
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Solution
The fourth proportional to 117,386.76, 176,059.64 and 54,201.48 is: 81,292.75
Step by Step Solution
- Step 1: Write the proportion equation
117,386.76 : 176,059.64 = 54,201.48 : x - Step 2: Convert to fraction form
117,386.76/176,059.64 = 54,201.48/x - Step 3: Cross multiply
117,386.76x = 176,059.64 × 54,201.48 - Step 4: Simplify right side
117,386.76x = 9,542,693,056.27 - Step 5: Solve for x
x = 9,542,693,056.27/117,386.76 - Step 6: Final answer
x = 81,292.75
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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.