Finding the Fourth Proportional to 226,661.08, 339,991.50 and 107,972.68
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Solution
The fourth proportional to 226,661.08, 339,991.50 and 107,972.68 is: 161,958.96
Step by Step Solution
- Step 1: Write the proportion equation
226,661.08 : 339,991.50 = 107,972.68 : x - Step 2: Convert to fraction form
226,661.08/339,991.50 = 107,972.68/x - Step 3: Cross multiply
226,661.08x = 339,991.50 × 107,972.68 - Step 4: Simplify right side
226,661.08x = 36,709,793,432.22 - Step 5: Solve for x
x = 36,709,793,432.22/226,661.08 - Step 6: Final answer
x = 161,958.96
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1.5x scale
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.