Finding the Fourth Proportional to 316,747.94, 436,761.90 and 201,844.58
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Solution
The fourth proportional to 316,747.94, 436,761.90 and 201,844.58 is: 278,322.32
Step by Step Solution
- Step 1: Write the proportion equation
316,747.94 : 436,761.90 = 201,844.58 : x - Step 2: Convert to fraction form
316,747.94/436,761.90 = 201,844.58/x - Step 3: Cross multiply
316,747.94x = 436,761.90 × 201,844.58 - Step 4: Simplify right side
316,747.94x = 88,158,021,817.24 - Step 5: Solve for x
x = 88,158,021,817.24/316,747.94 - Step 6: Final answer
x = 278,322.32
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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.