Finding the Fourth Proportional to 659,375.10, 988,965.45 and 186,108.30
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Solution
The fourth proportional to 659,375.10, 988,965.45 and 186,108.30 is: 279,135.02
Step by Step Solution
- Step 1: Write the proportion equation
659,375.10 : 988,965.45 = 186,108.30 : x - Step 2: Convert to fraction form
659,375.10/988,965.45 = 186,108.30/x - Step 3: Cross multiply
659,375.10x = 988,965.45 × 186,108.30 - Step 4: Simplify right side
659,375.10x = 184,054,678,658.24 - Step 5: Solve for x
x = 184,054,678,658.24/659,375.10 - Step 6: Final answer
x = 279,135.02
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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.