Finding the Fourth Proportional to 229,190.09, 316,267.36 and 127,210.68
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Solution
The fourth proportional to 229,190.09, 316,267.36 and 127,210.68 is: 175,542.44
Step by Step Solution
- Step 1: Write the proportion equation
229,190.09 : 316,267.36 = 127,210.68 : x - Step 2: Convert to fraction form
229,190.09/316,267.36 = 127,210.68/x - Step 3: Cross multiply
229,190.09x = 316,267.36 × 127,210.68 - Step 4: Simplify right side
229,190.09x = 40,232,585,609.38 - Step 5: Solve for x
x = 40,232,585,609.38/229,190.09 - Step 6: Final answer
x = 175,542.44
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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.