Finding the Fourth Proportional to 135,281.80, 202,922.70 and 35,441.80
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Solution
The fourth proportional to 135,281.80, 202,922.70 and 35,441.80 is: 53,162.70
Step by Step Solution
- Step 1: Write the proportion equation
135,281.80 : 202,922.70 = 35,441.80 : x - Step 2: Convert to fraction form
135,281.80/202,922.70 = 35,441.80/x - Step 3: Cross multiply
135,281.80x = 202,922.70 × 35,441.80 - Step 4: Simplify right side
135,281.80x = 7,191,945,748.86 - Step 5: Solve for x
x = 7,191,945,748.86/135,281.80 - Step 6: Final answer
x = 53,162.70
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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.