Finding the Fourth Proportional to 135,888.10, 202,917.09 and 110,977.60
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Solution
The fourth proportional to 135,888.10, 202,917.09 and 110,977.60 is: 165,719.09
Step by Step Solution
- Step 1: Write the proportion equation
135,888.10 : 202,917.09 = 110,977.60 : x - Step 2: Convert to fraction form
135,888.10/202,917.09 = 110,977.60/x - Step 3: Cross multiply
135,888.10x = 202,917.09 × 110,977.60 - Step 4: Simplify right side
135,888.10x = 22,519,251,647.18 - Step 5: Solve for x
x = 22,519,251,647.18/135,888.10 - Step 6: Final answer
x = 165,719.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.