Finding the Fourth Proportional to 165,195.60, 227,972.76 and 93,573.84
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Solution
The fourth proportional to 165,195.60, 227,972.76 and 93,573.84 is: 129,133.50
Step by Step Solution
- Step 1: Write the proportion equation
165,195.60 : 227,972.76 = 93,573.84 : x - Step 2: Convert to fraction form
165,195.60/227,972.76 = 93,573.84/x - Step 3: Cross multiply
165,195.60x = 227,972.76 × 93,573.84 - Step 4: Simplify right side
165,195.60x = 21,332,286,568.60 - Step 5: Solve for x
x = 21,332,286,568.60/165,195.60 - Step 6: Final answer
x = 129,133.50
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1.5x scale
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.