Finding the Fourth Proportional to 134,331.20, 201,489.50 and 40,829.66
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Solution
The fourth proportional to 134,331.20, 201,489.50 and 40,829.66 is: 61,242.27
Step by Step Solution
- Step 1: Write the proportion equation
134,331.20 : 201,489.50 = 40,829.66 : x - Step 2: Convert to fraction form
134,331.20/201,489.50 = 40,829.66/x - Step 3: Cross multiply
134,331.20x = 201,489.50 × 40,829.66 - Step 4: Simplify right side
134,331.20x = 8,226,747,778.57 - Step 5: Solve for x
x = 8,226,747,778.57/134,331.20 - Step 6: Final answer
x = 61,242.27
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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.