Finding the Fourth Proportional to 261,534.60, 360,906.84 and 148,378.68
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Solution
The fourth proportional to 261,534.60, 360,906.84 and 148,378.68 is: 204,756.39
Step by Step Solution
- Step 1: Write the proportion equation
261,534.60 : 360,906.84 = 148,378.68 : x - Step 2: Convert to fraction form
261,534.60/360,906.84 = 148,378.68/x - Step 3: Cross multiply
261,534.60x = 360,906.84 × 148,378.68 - Step 4: Simplify right side
261,534.60x = 53,550,880,522.17 - Step 5: Solve for x
x = 53,550,880,522.17/261,534.60 - Step 6: Final answer
x = 204,756.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.