Finding the Fourth Proportional to 464,625.10, 641,221.28 and 257,912.95
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Solution
The fourth proportional to 464,625.10, 641,221.28 and 257,912.95 is: 355,941.31
Step by Step Solution
- Step 1: Write the proportion equation
464,625.10 : 641,221.28 = 257,912.95 : x - Step 2: Convert to fraction form
464,625.10/641,221.28 = 257,912.95/x - Step 3: Cross multiply
464,625.10x = 641,221.28 × 257,912.95 - Step 4: Simplify right side
464,625.10x = 165,379,268,721.47 - Step 5: Solve for x
x = 165,379,268,721.47/464,625.10 - Step 6: Final answer
x = 355,941.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.