Finding the Fourth Proportional to 465,079.20, 641,637.09 and 292,950.96
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Solution
The fourth proportional to 465,079.20, 641,637.09 and 292,950.96 is: 404,163.85
Step by Step Solution
- Step 1: Write the proportion equation
465,079.20 : 641,637.09 = 292,950.96 : x - Step 2: Convert to fraction form
465,079.20/641,637.09 = 292,950.96/x - Step 3: Cross multiply
465,079.20x = 641,637.09 × 292,950.96 - Step 4: Simplify right side
465,079.20x = 187,968,201,487.11 - Step 5: Solve for x
x = 187,968,201,487.11/465,079.20 - Step 6: Final answer
x = 404,163.85
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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.