Finding the Fourth Proportional to 307,965.20, 461,947.80 and 273,750.80
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Solution
The fourth proportional to 307,965.20, 461,947.80 and 273,750.80 is: 410,626.20
Step by Step Solution
- Step 1: Write the proportion equation
307,965.20 : 461,947.80 = 273,750.80 : x - Step 2: Convert to fraction form
307,965.20/461,947.80 = 273,750.80/x - Step 3: Cross multiply
307,965.20x = 461,947.80 × 273,750.80 - Step 4: Simplify right side
307,965.20x = 126,458,579,808.24 - Step 5: Solve for x
x = 126,458,579,808.24/307,965.20 - Step 6: Final answer
x = 410,626.20
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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.