Finding the Fourth Proportional to 910,119.52, 1,364,729.76 and 278,881.12
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Solution
The fourth proportional to 910,119.52, 1,364,729.76 and 278,881.12 is: 418,183.94
Step by Step Solution
- Step 1: Write the proportion equation
910,119.52 : 1,364,729.76 = 278,881.12 : x - Step 2: Convert to fraction form
910,119.52/1,364,729.76 = 278,881.12/x - Step 3: Cross multiply
910,119.52x = 1,364,729.76 × 278,881.12 - Step 4: Simplify right side
910,119.52x = 380,597,363,966.13 - Step 5: Solve for x
x = 380,597,363,966.13/910,119.52 - Step 6: Final answer
x = 418,183.94
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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.