Finding the Fourth Proportional to 159,568.06, 220,202.82 and 87,948.12
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Solution
The fourth proportional to 159,568.06, 220,202.82 and 87,948.12 is: 121,367.80
Step by Step Solution
- Step 1: Write the proportion equation
159,568.06 : 220,202.82 = 87,948.12 : x - Step 2: Convert to fraction form
159,568.06/220,202.82 = 87,948.12/x - Step 3: Cross multiply
159,568.06x = 220,202.82 × 87,948.12 - Step 4: Simplify right side
159,568.06x = 19,366,424,037.70 - Step 5: Solve for x
x = 19,366,424,037.70/159,568.06 - Step 6: Final answer
x = 121,367.80
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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.