Finding the Fourth Proportional to 229,425.21, 316,617.39 and 127,450.80
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Solution
The fourth proportional to 229,425.21, 316,617.39 and 127,450.80 is: 175,887.99
Step by Step Solution
- Step 1: Write the proportion equation
229,425.21 : 316,617.39 = 127,450.80 : x - Step 2: Convert to fraction form
229,425.21/316,617.39 = 127,450.80/x - Step 3: Cross multiply
229,425.21x = 316,617.39 × 127,450.80 - Step 4: Simplify right side
229,425.21x = 40,353,139,649.41 - Step 5: Solve for x
x = 40,353,139,649.41/229,425.21 - Step 6: Final answer
x = 175,887.99
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1.5x scale
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.