Finding the Fourth Proportional to 465,493.26, 642,381.12 and 264,289.26
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Solution
The fourth proportional to 465,493.26, 642,381.12 and 264,289.26 is: 364,719.42
Step by Step Solution
- Step 1: Write the proportion equation
465,493.26 : 642,381.12 = 264,289.26 : x - Step 2: Convert to fraction form
465,493.26/642,381.12 = 264,289.26/x - Step 3: Cross multiply
465,493.26x = 642,381.12 × 264,289.26 - Step 4: Simplify right side
465,493.26x = 169,774,430,842.77 - Step 5: Solve for x
x = 169,774,430,842.77/465,493.26 - Step 6: Final answer
x = 364,719.42
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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.