Finding the Fourth Proportional to 305,194.44, 457,828.42 and 147,311.88
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Solution
The fourth proportional to 305,194.44, 457,828.42 and 147,311.88 is: 220,985.56
Step by Step Solution
- Step 1: Write the proportion equation
305,194.44 : 457,828.42 = 147,311.88 : x - Step 2: Convert to fraction form
305,194.44/457,828.42 = 147,311.88/x - Step 3: Cross multiply
305,194.44x = 457,828.42 × 147,311.88 - Step 4: Simplify right side
305,194.44x = 67,443,565,267.63 - Step 5: Solve for x
x = 67,443,565,267.63/305,194.44 - Step 6: Final answer
x = 220,985.56
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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.