Finding the Fourth Proportional to 229,604.13, 316,857.48 and 126,242.70
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Solution
The fourth proportional to 229,604.13, 316,857.48 and 126,242.70 is: 174,217.00
Step by Step Solution
- Step 1: Write the proportion equation
229,604.13 : 316,857.48 = 126,242.70 : x - Step 2: Convert to fraction form
229,604.13/316,857.48 = 126,242.70/x - Step 3: Cross multiply
229,604.13x = 316,857.48 × 126,242.70 - Step 4: Simplify right side
229,604.13x = 40,000,943,790.40 - Step 5: Solve for x
x = 40,000,943,790.40/229,604.13 - Step 6: Final answer
x = 174,217.00
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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.