Finding the Fourth Proportional to 206,871.24, 285,480.36 and 114,988.12
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Solution
The fourth proportional to 206,871.24, 285,480.36 and 114,988.12 is: 158,682.52
Step by Step Solution
- Step 1: Write the proportion equation
206,871.24 : 285,480.36 = 114,988.12 : x - Step 2: Convert to fraction form
206,871.24/285,480.36 = 114,988.12/x - Step 3: Cross multiply
206,871.24x = 285,480.36 × 114,988.12 - Step 4: Simplify right side
206,871.24x = 32,826,849,742.78 - Step 5: Solve for x
x = 32,826,849,742.78/206,871.24 - Step 6: Final answer
x = 158,682.52
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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.