Finding the Fourth Proportional to 135,081.70, 202,498.70 and 51,913.06
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Solution
The fourth proportional to 135,081.70, 202,498.70 and 51,913.06 is: 77,821.99
Step by Step Solution
- Step 1: Write the proportion equation
135,081.70 : 202,498.70 = 51,913.06 : x - Step 2: Convert to fraction form
135,081.70/202,498.70 = 51,913.06/x - Step 3: Cross multiply
135,081.70x = 202,498.70 × 51,913.06 - Step 4: Simplify right side
135,081.70x = 10,512,327,163.02 - Step 5: Solve for x
x = 10,512,327,163.02/135,081.70 - Step 6: Final answer
x = 77,821.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.