Finding the Fourth Proportional to 464,624.60, 641,220.59 and 257,912.44
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Solution
The fourth proportional to 464,624.60, 641,220.59 and 257,912.44 is: 355,940.62
Step by Step Solution
- Step 1: Write the proportion equation
464,624.60 : 641,220.59 = 257,912.44 : x - Step 2: Convert to fraction form
464,624.60/641,220.59 = 257,912.44/x - Step 3: Cross multiply
464,624.60x = 641,220.59 × 257,912.44 - Step 4: Simplify right side
464,624.60x = 165,378,768,548.19 - Step 5: Solve for x
x = 165,378,768,548.19/464,624.60 - Step 6: Final answer
x = 355,940.62
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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.