Finding the Fourth Proportional to 210,103.01, 315,157.26 and 69,861.65
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Solution
The fourth proportional to 210,103.01, 315,157.26 and 69,861.65 is: 104,793.39
Step by Step Solution
- Step 1: Write the proportion equation
210,103.01 : 315,157.26 = 69,861.65 : x - Step 2: Convert to fraction form
210,103.01/315,157.26 = 69,861.65/x - Step 3: Cross multiply
210,103.01x = 315,157.26 × 69,861.65 - Step 4: Simplify right side
210,103.01x = 22,017,406,193.08 - Step 5: Solve for x
x = 22,017,406,193.08/210,103.01 - Step 6: Final answer
x = 104,793.39
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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.