Finding the Fourth Proportional to 186,272.24, 279,291.48 and 135,689.36
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Solution
The fourth proportional to 186,272.24, 279,291.48 and 135,689.36 is: 203,448.90
Step by Step Solution
- Step 1: Write the proportion equation
186,272.24 : 279,291.48 = 135,689.36 : x - Step 2: Convert to fraction form
186,272.24/279,291.48 = 135,689.36/x - Step 3: Cross multiply
186,272.24x = 279,291.48 × 135,689.36 - Step 4: Simplify right side
186,272.24x = 37,896,882,174.65 - Step 5: Solve for x
x = 37,896,882,174.65/186,272.24 - Step 6: Final answer
x = 203,448.90
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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.