Finding the Fourth Proportional to 419,760.24, 579,490.62 and 337,193.76
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Solution
The fourth proportional to 419,760.24, 579,490.62 and 337,193.76 is: 465,505.31
Step by Step Solution
- Step 1: Write the proportion equation
419,760.24 : 579,490.62 = 337,193.76 : x - Step 2: Convert to fraction form
419,760.24/579,490.62 = 337,193.76/x - Step 3: Cross multiply
419,760.24x = 579,490.62 × 337,193.76 - Step 4: Simplify right side
419,760.24x = 195,400,621,042.53 - Step 5: Solve for x
x = 195,400,621,042.53/419,760.24 - Step 6: Final answer
x = 465,505.31
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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.