Finding the Fourth Proportional to 134,230.20, 201,345.30 and 40,740.60
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Solution
The fourth proportional to 134,230.20, 201,345.30 and 40,740.60 is: 61,110.90
Step by Step Solution
- Step 1: Write the proportion equation
134,230.20 : 201,345.30 = 40,740.60 : x - Step 2: Convert to fraction form
134,230.20/201,345.30 = 40,740.60/x - Step 3: Cross multiply
134,230.20x = 201,345.30 × 40,740.60 - Step 4: Simplify right side
134,230.20x = 8,202,928,329.18 - Step 5: Solve for x
x = 8,202,928,329.18/134,230.20 - Step 6: Final answer
x = 61,110.90
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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.