Finding the Fourth Proportional to 229,138.60, 344,015.70 and 134,465.80
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Solution
The fourth proportional to 229,138.60, 344,015.70 and 134,465.80 is: 201,879.33
Step by Step Solution
- Step 1: Write the proportion equation
229,138.60 : 344,015.70 = 134,465.80 : x - Step 2: Convert to fraction form
229,138.60/344,015.70 = 134,465.80/x - Step 3: Cross multiply
229,138.60x = 344,015.70 × 134,465.80 - Step 4: Simplify right side
229,138.60x = 46,258,346,313.06 - Step 5: Solve for x
x = 46,258,346,313.06/229,138.60 - Step 6: Final answer
x = 201,879.33
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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.