Finding the Fourth Proportional to 134,331.44, 201,489.88 and 40,829.90
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Solution
The fourth proportional to 134,331.44, 201,489.88 and 40,829.90 is: 61,242.64
Step by Step Solution
- Step 1: Write the proportion equation
134,331.44 : 201,489.88 = 40,829.90 : x - Step 2: Convert to fraction form
134,331.44/201,489.88 = 40,829.90/x - Step 3: Cross multiply
134,331.44x = 201,489.88 × 40,829.90 - Step 4: Simplify right side
134,331.44x = 8,226,811,651.41 - Step 5: Solve for x
x = 8,226,811,651.41/134,331.44 - Step 6: Final answer
x = 61,242.64
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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.