Finding the Fourth Proportional to 464,573.28, 641,385.95 and 292,638.63
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Solution
The fourth proportional to 464,573.28, 641,385.95 and 292,638.63 is: 404,014.42
Step by Step Solution
- Step 1: Write the proportion equation
464,573.28 : 641,385.95 = 292,638.63 : x - Step 2: Convert to fraction form
464,573.28/641,385.95 = 292,638.63/x - Step 3: Cross multiply
464,573.28x = 641,385.95 × 292,638.63 - Step 4: Simplify right side
464,573.28x = 187,694,305,709.25 - Step 5: Solve for x
x = 187,694,305,709.25/464,573.28 - Step 6: Final answer
x = 404,014.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.