Finding the Fourth Proportional to 150,261.28, 207,363.60 and 83,195.68
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Solution
The fourth proportional to 150,261.28, 207,363.60 and 83,195.68 is: 114,811.72
Step by Step Solution
- Step 1: Write the proportion equation
150,261.28 : 207,363.60 = 83,195.68 : x - Step 2: Convert to fraction form
150,261.28/207,363.60 = 83,195.68/x - Step 3: Cross multiply
150,261.28x = 207,363.60 × 83,195.68 - Step 4: Simplify right side
150,261.28x = 17,251,755,709.25 - Step 5: Solve for x
x = 17,251,755,709.25/150,261.28 - Step 6: Final answer
x = 114,811.72
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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.