Finding the Fourth Proportional to 287,121.45, 430,201.04 and 202,741.52
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Solution
The fourth proportional to 287,121.45, 430,201.04 and 202,741.52 is: 303,772.54
Step by Step Solution
- Step 1: Write the proportion equation
287,121.45 : 430,201.04 = 202,741.52 : x - Step 2: Convert to fraction form
287,121.45/430,201.04 = 202,741.52/x - Step 3: Cross multiply
287,121.45x = 430,201.04 × 202,741.52 - Step 4: Simplify right side
287,121.45x = 87,219,612,816.98 - Step 5: Solve for x
x = 87,219,612,816.98/287,121.45 - Step 6: Final answer
x = 303,772.54
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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.