Finding the Fourth Proportional to 305,346.36, 457,684.20 and 127,966.08
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Solution
The fourth proportional to 305,346.36, 457,684.20 and 127,966.08 is: 191,808.58
Step by Step Solution
- Step 1: Write the proportion equation
305,346.36 : 457,684.20 = 127,966.08 : x - Step 2: Convert to fraction form
305,346.36/457,684.20 = 127,966.08/x - Step 3: Cross multiply
305,346.36x = 457,684.20 × 127,966.08 - Step 4: Simplify right side
305,346.36x = 58,568,052,951.94 - Step 5: Solve for x
x = 58,568,052,951.94/305,346.36 - Step 6: Final answer
x = 191,808.58
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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.