Finding the Fourth Proportional to 159,497.20, 239,245.80 and 143,750.80
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Solution
The fourth proportional to 159,497.20, 239,245.80 and 143,750.80 is: 215,626.20
Step by Step Solution
- Step 1: Write the proportion equation
159,497.20 : 239,245.80 = 143,750.80 : x - Step 2: Convert to fraction form
159,497.20/239,245.80 = 143,750.80/x - Step 3: Cross multiply
159,497.20x = 239,245.80 × 143,750.80 - Step 4: Simplify right side
159,497.20x = 34,391,775,146.64 - Step 5: Solve for x
x = 34,391,775,146.64/159,497.20 - Step 6: Final answer
x = 215,626.20
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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.