Finding the Fourth Proportional to 229,029.60, 343,544.40 and 135,487.20
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Solution
The fourth proportional to 229,029.60, 343,544.40 and 135,487.20 is: 203,230.80
Step by Step Solution
- Step 1: Write the proportion equation
229,029.60 : 343,544.40 = 135,487.20 : x - Step 2: Convert to fraction form
229,029.60/343,544.40 = 135,487.20/x - Step 3: Cross multiply
229,029.60x = 343,544.40 × 135,487.20 - Step 4: Simplify right side
229,029.60x = 46,545,868,831.68 - Step 5: Solve for x
x = 46,545,868,831.68/229,029.60 - Step 6: Final answer
x = 203,230.80
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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.