Finding the Fourth Proportional to 467,299.09, 644,871.93 and 252,438.49
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Solution
The fourth proportional to 467,299.09, 644,871.93 and 252,438.49 is: 348,364.68
Step by Step Solution
- Step 1: Write the proportion equation
467,299.09 : 644,871.93 = 252,438.49 : x - Step 2: Convert to fraction form
467,299.09/644,871.93 = 252,438.49/x - Step 3: Cross multiply
467,299.09x = 644,871.93 × 252,438.49 - Step 4: Simplify right side
467,299.09x = 162,790,497,532.00 - Step 5: Solve for x
x = 162,790,497,532.00/467,299.09 - Step 6: Final answer
x = 348,364.68
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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.