Finding the Fourth Proportional to 158,844.68, 239,382.60 and 143,069.48
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Solution
The fourth proportional to 158,844.68, 239,382.60 and 143,069.48 is: 215,609.01
Step by Step Solution
- Step 1: Write the proportion equation
158,844.68 : 239,382.60 = 143,069.48 : x - Step 2: Convert to fraction form
158,844.68/239,382.60 = 143,069.48/x - Step 3: Cross multiply
158,844.68x = 239,382.60 × 143,069.48 - Step 4: Simplify right side
158,844.68x = 34,248,344,103.05 - Step 5: Solve for x
x = 34,248,344,103.05/158,844.68 - Step 6: Final answer
x = 215,609.01
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.