Finding the Fourth Proportional to 305,544.15, 457,847.64 and 127,954.08
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Solution
The fourth proportional to 305,544.15, 457,847.64 and 127,954.08 is: 191,734.89
Step by Step Solution
- Step 1: Write the proportion equation
305,544.15 : 457,847.64 = 127,954.08 : x - Step 2: Convert to fraction form
305,544.15/457,847.64 = 127,954.08/x - Step 3: Cross multiply
305,544.15x = 457,847.64 × 127,954.08 - Step 4: Simplify right side
305,544.15x = 58,583,473,556.37 - Step 5: Solve for x
x = 58,583,473,556.37/305,544.15 - Step 6: Final answer
x = 191,734.89
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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.