Finding the Fourth Proportional to 465,842.16, 642,858.31 and 261,893.99
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Solution
The fourth proportional to 465,842.16, 642,858.31 and 261,893.99 is: 361,411.53
Step by Step Solution
- Step 1: Write the proportion equation
465,842.16 : 642,858.31 = 261,893.99 : x - Step 2: Convert to fraction form
465,842.16/642,858.31 = 261,893.99/x - Step 3: Cross multiply
465,842.16x = 642,858.31 × 261,893.99 - Step 4: Simplify right side
465,842.16x = 168,360,727,222.72 - Step 5: Solve for x
x = 168,360,727,222.72/465,842.16 - Step 6: Final answer
x = 361,411.53
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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.