Finding the Fourth Proportional to 98,231.56, 135,559.56 and 53,519.56
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Solution
The fourth proportional to 98,231.56, 135,559.56 and 53,519.56 is: 73,857.00
Step by Step Solution
- Step 1: Write the proportion equation
98,231.56 : 135,559.56 = 53,519.56 : x - Step 2: Convert to fraction form
98,231.56/135,559.56 = 53,519.56/x - Step 3: Cross multiply
98,231.56x = 135,559.56 × 53,519.56 - Step 4: Simplify right side
98,231.56x = 7,255,088,004.99 - Step 5: Solve for x
x = 7,255,088,004.99/98,231.56 - Step 6: Final answer
x = 73,857.00
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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.