Finding the Fourth Proportional to 307,461.22, 460,974.04 and 136,589.09
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Solution
The fourth proportional to 307,461.22, 460,974.04 and 136,589.09 is: 204,786.88
Step by Step Solution
- Step 1: Write the proportion equation
307,461.22 : 460,974.04 = 136,589.09 : x - Step 2: Convert to fraction form
307,461.22/460,974.04 = 136,589.09/x - Step 3: Cross multiply
307,461.22x = 460,974.04 × 136,589.09 - Step 4: Simplify right side
307,461.22x = 62,964,021,990.88 - Step 5: Solve for x
x = 62,964,021,990.88/307,461.22 - Step 6: Final answer
x = 204,786.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.