Finding the Fourth Proportional to 185,591.57, 256,121.33 and 100,708.70
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Solution
The fourth proportional to 185,591.57, 256,121.33 and 100,708.70 is: 138,980.70
Step by Step Solution
- Step 1: Write the proportion equation
185,591.57 : 256,121.33 = 100,708.70 : x - Step 2: Convert to fraction form
185,591.57/256,121.33 = 100,708.70/x - Step 3: Cross multiply
185,591.57x = 256,121.33 × 100,708.70 - Step 4: Simplify right side
185,591.57x = 25,793,646,186.57 - Step 5: Solve for x
x = 25,793,646,186.57/185,591.57 - Step 6: Final answer
x = 138,980.70
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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.