Finding the Fourth Proportional to 133,609.21, 200,432.27 and 44,888.09
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Solution
The fourth proportional to 133,609.21, 200,432.27 and 44,888.09 is: 67,338.33
Step by Step Solution
- Step 1: Write the proportion equation
133,609.21 : 200,432.27 = 44,888.09 : x - Step 2: Convert to fraction form
133,609.21/200,432.27 = 44,888.09/x - Step 3: Cross multiply
133,609.21x = 200,432.27 × 44,888.09 - Step 4: Simplify right side
133,609.21x = 8,997,020,548.06 - Step 5: Solve for x
x = 8,997,020,548.06/133,609.21 - Step 6: Final answer
x = 67,338.33
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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.