Finding the Fourth Proportional to 315,923.64, 436,267.26 and 202,944.84
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Solution
The fourth proportional to 315,923.64, 436,267.26 and 202,944.84 is: 280,251.86
Step by Step Solution
- Step 1: Write the proportion equation
315,923.64 : 436,267.26 = 202,944.84 : x - Step 2: Convert to fraction form
315,923.64/436,267.26 = 202,944.84/x - Step 3: Cross multiply
315,923.64x = 436,267.26 × 202,944.84 - Step 4: Simplify right side
315,923.64x = 88,538,189,277.94 - Step 5: Solve for x
x = 88,538,189,277.94/315,923.64 - Step 6: Final answer
x = 280,251.86
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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.