Finding the Fourth Proportional to 145,207.70, 217,839.18 and 50,434.28
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Solution
The fourth proportional to 145,207.70, 217,839.18 and 50,434.28 is: 75,661.02
Step by Step Solution
- Step 1: Write the proportion equation
145,207.70 : 217,839.18 = 50,434.28 : x - Step 2: Convert to fraction form
145,207.70/217,839.18 = 50,434.28/x - Step 3: Cross multiply
145,207.70x = 217,839.18 × 50,434.28 - Step 4: Simplify right side
145,207.70x = 10,986,562,199.09 - Step 5: Solve for x
x = 10,986,562,199.09/145,207.70 - Step 6: Final answer
x = 75,661.02
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1.5x scale
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.