Finding the Fourth Proportional to 211,364.24, 291,680.19 and 115,870.91
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Solution
The fourth proportional to 211,364.24, 291,680.19 and 115,870.91 is: 159,900.50
Step by Step Solution
- Step 1: Write the proportion equation
211,364.24 : 291,680.19 = 115,870.91 : x - Step 2: Convert to fraction form
211,364.24/291,680.19 = 115,870.91/x - Step 3: Cross multiply
211,364.24x = 291,680.19 × 115,870.91 - Step 4: Simplify right side
211,364.24x = 33,797,247,585.87 - Step 5: Solve for x
x = 33,797,247,585.87/211,364.24 - Step 6: Final answer
x = 159,900.50
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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.