Finding the Fourth Proportional to 464,573.18, 641,385.81 and 292,638.53
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Solution
The fourth proportional to 464,573.18, 641,385.81 and 292,638.53 is: 404,014.28
Step by Step Solution
- Step 1: Write the proportion equation
464,573.18 : 641,385.81 = 292,638.53 : x - Step 2: Convert to fraction form
464,573.18/641,385.81 = 292,638.53/x - Step 3: Cross multiply
464,573.18x = 641,385.81 × 292,638.53 - Step 4: Simplify right side
464,573.18x = 187,694,197,394.33 - Step 5: Solve for x
x = 187,694,197,394.33/464,573.18 - Step 6: Final answer
x = 404,014.28
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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.