Finding the Fourth Proportional to 134,438.60, 201,657.90 and 99,446.60
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Solution
The fourth proportional to 134,438.60, 201,657.90 and 99,446.60 is: 149,169.90
Step by Step Solution
- Step 1: Write the proportion equation
134,438.60 : 201,657.90 = 99,446.60 : x - Step 2: Convert to fraction form
134,438.60/201,657.90 = 99,446.60/x - Step 3: Cross multiply
134,438.60x = 201,657.90 × 99,446.60 - Step 4: Simplify right side
134,438.60x = 20,054,192,518.14 - Step 5: Solve for x
x = 20,054,192,518.14/134,438.60 - Step 6: Final answer
x = 149,169.90
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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.