Finding the Fourth Proportional to 118,228.13, 177,302.87 and 38,247.11
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Solution
The fourth proportional to 118,228.13, 177,302.87 and 38,247.11 is: 57,357.94
Step by Step Solution
- Step 1: Write the proportion equation
118,228.13 : 177,302.87 = 38,247.11 : x - Step 2: Convert to fraction form
118,228.13/177,302.87 = 38,247.11/x - Step 3: Cross multiply
118,228.13x = 177,302.87 × 38,247.11 - Step 4: Simplify right side
118,228.13x = 6,781,322,180.97 - Step 5: Solve for x
x = 6,781,322,180.97/118,228.13 - Step 6: Final answer
x = 57,357.94
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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.