Finding the Fourth Proportional to 269,620.39, 372,210.97 and 167,678.69
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Solution
The fourth proportional to 269,620.39, 372,210.97 and 167,678.69 is: 231,480.45
Step by Step Solution
- Step 1: Write the proportion equation
269,620.39 : 372,210.97 = 167,678.69 : x - Step 2: Convert to fraction form
269,620.39/372,210.97 = 167,678.69/x - Step 3: Cross multiply
269,620.39x = 372,210.97 × 167,678.69 - Step 4: Simplify right side
269,620.39x = 62,411,849,027.91 - Step 5: Solve for x
x = 62,411,849,027.91/269,620.39 - Step 6: Final answer
x = 231,480.45
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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.