Finding the Fourth Proportional to 500,771.97, 751,158.90 and 121,693.05
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Solution
The fourth proportional to 500,771.97, 751,158.90 and 121,693.05 is: 182,539.80
Step by Step Solution
- Step 1: Write the proportion equation
500,771.97 : 751,158.90 = 121,693.05 : x - Step 2: Convert to fraction form
500,771.97/751,158.90 = 121,693.05/x - Step 3: Cross multiply
500,771.97x = 751,158.90 × 121,693.05 - Step 4: Simplify right side
500,771.97x = 91,410,817,575.65 - Step 5: Solve for x
x = 91,410,817,575.65/500,771.97 - Step 6: Final answer
x = 182,539.80
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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.