Finding the Fourth Proportional to 367,405.20, 507,014.67 and 206,256.09
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Solution
The fourth proportional to 367,405.20, 507,014.67 and 206,256.09 is: 284,630.87
Step by Step Solution
- Step 1: Write the proportion equation
367,405.20 : 507,014.67 = 206,256.09 : x - Step 2: Convert to fraction form
367,405.20/507,014.67 = 206,256.09/x - Step 3: Cross multiply
367,405.20x = 507,014.67 × 206,256.09 - Step 4: Simplify right side
367,405.20x = 104,574,863,406.84 - Step 5: Solve for x
x = 104,574,863,406.84/367,405.20 - Step 6: Final answer
x = 284,630.87
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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.