Finding the Fourth Proportional to 316,751.44, 436,766.73 and 201,848.08
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Solution
The fourth proportional to 316,751.44, 436,766.73 and 201,848.08 is: 278,327.15
Step by Step Solution
- Step 1: Write the proportion equation
316,751.44 : 436,766.73 = 201,848.08 : x - Step 2: Convert to fraction form
316,751.44/436,766.73 = 201,848.08/x - Step 3: Cross multiply
316,751.44x = 436,766.73 × 201,848.08 - Step 4: Simplify right side
316,751.44x = 88,160,525,858.38 - Step 5: Solve for x
x = 88,160,525,858.38/316,751.44 - Step 6: Final answer
x = 278,327.15
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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.