Finding the Fourth Proportional to 172,284.44, 237,715.97 and 104,288.18
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Solution
The fourth proportional to 172,284.44, 237,715.97 and 104,288.18 is: 143,895.55
Step by Step Solution
- Step 1: Write the proportion equation
172,284.44 : 237,715.97 = 104,288.18 : x - Step 2: Convert to fraction form
172,284.44/237,715.97 = 104,288.18/x - Step 3: Cross multiply
172,284.44x = 237,715.97 × 104,288.18 - Step 4: Simplify right side
172,284.44x = 24,790,964,158.21 - Step 5: Solve for x
x = 24,790,964,158.21/172,284.44 - Step 6: Final answer
x = 143,895.55
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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.