Finding the Fourth Proportional to 287,283.98, 430,343.57 and 133,193.53
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Solution
The fourth proportional to 287,283.98, 430,343.57 and 133,193.53 is: 199,520.28
Step by Step Solution
- Step 1: Write the proportion equation
287,283.98 : 430,343.57 = 133,193.53 : x - Step 2: Convert to fraction form
287,283.98/430,343.57 = 133,193.53/x - Step 3: Cross multiply
287,283.98x = 430,343.57 × 133,193.53 - Step 4: Simplify right side
287,283.98x = 57,318,979,322.80 - Step 5: Solve for x
x = 57,318,979,322.80/287,283.98 - Step 6: Final answer
x = 199,520.28
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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.