Finding the Fourth Proportional to 645,472.08, 966,137.76 and 345,201.84
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Solution
The fourth proportional to 645,472.08, 966,137.76 and 345,201.84 is: 516,695.52
Step by Step Solution
- Step 1: Write the proportion equation
645,472.08 : 966,137.76 = 345,201.84 : x - Step 2: Convert to fraction form
645,472.08/966,137.76 = 345,201.84/x - Step 3: Cross multiply
645,472.08x = 966,137.76 × 345,201.84 - Step 4: Simplify right side
645,472.08x = 333,512,532,445.48 - Step 5: Solve for x
x = 333,512,532,445.48/645,472.08 - Step 6: Final answer
x = 516,695.52
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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.