Finding the Fourth Proportional to 226,609.02, 312,728.04 and 124,638.75
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Solution
The fourth proportional to 226,609.02, 312,728.04 and 124,638.75 is: 172,005.65
Step by Step Solution
- Step 1: Write the proportion equation
226,609.02 : 312,728.04 = 124,638.75 : x - Step 2: Convert to fraction form
226,609.02/312,728.04 = 124,638.75/x - Step 3: Cross multiply
226,609.02x = 312,728.04 × 124,638.75 - Step 4: Simplify right side
226,609.02x = 38,978,031,995.55 - Step 5: Solve for x
x = 38,978,031,995.55/226,609.02 - Step 6: Final answer
x = 172,005.65
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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.