Finding the Fourth Proportional to 316,139.08, 436,697.94 and 252,928.84
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Solution
The fourth proportional to 316,139.08, 436,697.94 and 252,928.84 is: 349,382.63
Step by Step Solution
- Step 1: Write the proportion equation
316,139.08 : 436,697.94 = 252,928.84 : x - Step 2: Convert to fraction form
316,139.08/436,697.94 = 252,928.84/x - Step 3: Cross multiply
316,139.08x = 436,697.94 × 252,928.84 - Step 4: Simplify right side
316,139.08x = 110,453,503,394.59 - Step 5: Solve for x
x = 110,453,503,394.59/316,139.08 - Step 6: Final answer
x = 349,382.63
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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.