Finding the Fourth Proportional to 126,020.98, 188,967.21 and 41,750.74
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Solution
The fourth proportional to 126,020.98, 188,967.21 and 41,750.74 is: 62,604.82
Step by Step Solution
- Step 1: Write the proportion equation
126,020.98 : 188,967.21 = 41,750.74 : x - Step 2: Convert to fraction form
126,020.98/188,967.21 = 41,750.74/x - Step 3: Cross multiply
126,020.98x = 188,967.21 × 41,750.74 - Step 4: Simplify right side
126,020.98x = 7,889,520,853.24 - Step 5: Solve for x
x = 7,889,520,853.24/126,020.98 - Step 6: Final answer
x = 62,604.82
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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.