Finding the Fourth Proportional to 439,826.66, 659,791.93 and 140,202.19
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Solution
The fourth proportional to 439,826.66, 659,791.93 and 140,202.19 is: 210,319.84
Step by Step Solution
- Step 1: Write the proportion equation
439,826.66 : 659,791.93 = 140,202.19 : x - Step 2: Convert to fraction form
439,826.66/659,791.93 = 140,202.19/x - Step 3: Cross multiply
439,826.66x = 659,791.93 × 140,202.19 - Step 4: Simplify right side
439,826.66x = 92,504,274,267.44 - Step 5: Solve for x
x = 92,504,274,267.44/439,826.66 - Step 6: Final answer
x = 210,319.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.