Finding the Fourth Proportional to 194,766.53, 291,973.46 and 76,406.09
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Solution
The fourth proportional to 194,766.53, 291,973.46 and 76,406.09 is: 114,539.95
Step by Step Solution
- Step 1: Write the proportion equation
194,766.53 : 291,973.46 = 76,406.09 : x - Step 2: Convert to fraction form
194,766.53/291,973.46 = 76,406.09/x - Step 3: Cross multiply
194,766.53x = 291,973.46 × 76,406.09 - Step 4: Simplify right side
194,766.53x = 22,308,548,620.47 - Step 5: Solve for x
x = 22,308,548,620.47/194,766.53 - Step 6: Final answer
x = 114,539.95
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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.