Finding the Fourth Proportional to 143,767.09, 215,746.62 and 50,272.84
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Solution
The fourth proportional to 143,767.09, 215,746.62 and 50,272.84 is: 75,442.82
Step by Step Solution
- Step 1: Write the proportion equation
143,767.09 : 215,746.62 = 50,272.84 : x - Step 2: Convert to fraction form
143,767.09/215,746.62 = 50,272.84/x - Step 3: Cross multiply
143,767.09x = 215,746.62 × 50,272.84 - Step 4: Simplify right side
143,767.09x = 10,846,195,307.80 - Step 5: Solve for x
x = 10,846,195,307.80/143,767.09 - Step 6: Final answer
x = 75,442.82
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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.