Finding the Fourth Proportional to 206,686.20, 310,029.30 and 184,135.80
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Solution
The fourth proportional to 206,686.20, 310,029.30 and 184,135.80 is: 276,203.70
Step by Step Solution
- Step 1: Write the proportion equation
206,686.20 : 310,029.30 = 184,135.80 : x - Step 2: Convert to fraction form
206,686.20/310,029.30 = 184,135.80/x - Step 3: Cross multiply
206,686.20x = 310,029.30 × 184,135.80 - Step 4: Simplify right side
206,686.20x = 57,087,493,178.94 - Step 5: Solve for x
x = 57,087,493,178.94/206,686.20 - Step 6: Final answer
x = 276,203.70
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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.