Finding the Fourth Proportional to 135,245.80, 202,868.70 and 73,037.80
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Solution
The fourth proportional to 135,245.80, 202,868.70 and 73,037.80 is: 109,556.70
Step by Step Solution
- Step 1: Write the proportion equation
135,245.80 : 202,868.70 = 73,037.80 : x - Step 2: Convert to fraction form
135,245.80/202,868.70 = 73,037.80/x - Step 3: Cross multiply
135,245.80x = 202,868.70 × 73,037.80 - Step 4: Simplify right side
135,245.80x = 14,817,083,536.86 - Step 5: Solve for x
x = 14,817,083,536.86/135,245.80 - Step 6: Final answer
x = 109,556.70
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1.5x scale
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.