Finding the Fourth Proportional to 135,113.64, 202,699.44 and 40,351.29
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Solution
The fourth proportional to 135,113.64, 202,699.44 and 40,351.29 is: 60,535.59
Step by Step Solution
- Step 1: Write the proportion equation
135,113.64 : 202,699.44 = 40,351.29 : x - Step 2: Convert to fraction form
135,113.64/202,699.44 = 40,351.29/x - Step 3: Cross multiply
135,113.64x = 202,699.44 × 40,351.29 - Step 4: Simplify right side
135,113.64x = 8,179,183,886.28 - Step 5: Solve for x
x = 8,179,183,886.28/135,113.64 - Step 6: Final answer
x = 60,535.59
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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.