Finding the Fourth Proportional to 285,202.10, 427,658.99 and 166,908.98
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Solution
The fourth proportional to 285,202.10, 427,658.99 and 166,908.98 is: 250,279.10
Step by Step Solution
- Step 1: Write the proportion equation
285,202.10 : 427,658.99 = 166,908.98 : x - Step 2: Convert to fraction form
285,202.10/427,658.99 = 166,908.98/x - Step 3: Cross multiply
285,202.10x = 427,658.99 × 166,908.98 - Step 4: Simplify right side
285,202.10x = 71,380,125,808.73 - Step 5: Solve for x
x = 71,380,125,808.73/285,202.10 - Step 6: Final answer
x = 250,279.10
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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.