Finding the Fourth Proportional to 427,818.13, 590,450.79 and 246,495.31
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Solution
The fourth proportional to 427,818.13, 590,450.79 and 246,495.31 is: 340,199.12
Step by Step Solution
- Step 1: Write the proportion equation
427,818.13 : 590,450.79 = 246,495.31 : x - Step 2: Convert to fraction form
427,818.13/590,450.79 = 246,495.31/x - Step 3: Cross multiply
427,818.13x = 590,450.79 × 246,495.31 - Step 4: Simplify right side
427,818.13x = 145,543,350,520.80 - Step 5: Solve for x
x = 145,543,350,520.80/427,818.13 - Step 6: Final answer
x = 340,199.12
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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.