Finding the Fourth Proportional to 180,115.65, 270,178.94 and 61,785.28
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Solution
The fourth proportional to 180,115.65, 270,178.94 and 61,785.28 is: 92,679.80
Step by Step Solution
- Step 1: Write the proportion equation
180,115.65 : 270,178.94 = 61,785.28 : x - Step 2: Convert to fraction form
180,115.65/270,178.94 = 61,785.28/x - Step 3: Cross multiply
180,115.65x = 270,178.94 × 61,785.28 - Step 4: Simplify right side
180,115.65x = 16,693,081,950.19 - Step 5: Solve for x
x = 16,693,081,950.19/180,115.65 - Step 6: Final answer
x = 92,679.80
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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.