Finding the Fourth Proportional to 287,515.15, 430,719.98 and 160,770.98
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Solution
The fourth proportional to 287,515.15, 430,719.98 and 160,770.98 is: 240,847.39
Step by Step Solution
- Step 1: Write the proportion equation
287,515.15 : 430,719.98 = 160,770.98 : x - Step 2: Convert to fraction form
287,515.15/430,719.98 = 160,770.98/x - Step 3: Cross multiply
287,515.15x = 430,719.98 × 160,770.98 - Step 4: Simplify right side
287,515.15x = 69,247,273,290.18 - Step 5: Solve for x
x = 69,247,273,290.18/287,515.15 - Step 6: Final answer
x = 240,847.39
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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.