Finding the Fourth Proportional to 98,194.68, 135,508.68 and 55,759.68
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Solution
The fourth proportional to 98,194.68, 135,508.68 and 55,759.68 is: 76,948.37
Step by Step Solution
- Step 1: Write the proportion equation
98,194.68 : 135,508.68 = 55,759.68 : x - Step 2: Convert to fraction form
98,194.68/135,508.68 = 55,759.68/x - Step 3: Cross multiply
98,194.68x = 135,508.68 × 55,759.68 - Step 4: Simplify right side
98,194.68x = 7,555,920,634.02 - Step 5: Solve for x
x = 7,555,920,634.02/98,194.68 - Step 6: Final answer
x = 76,948.37
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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.