Finding the Fourth Proportional to 230,182.97, 317,668.47 and 139,542.75
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Solution
The fourth proportional to 230,182.97, 317,668.47 and 139,542.75 is: 192,578.68
Step by Step Solution
- Step 1: Write the proportion equation
230,182.97 : 317,668.47 = 139,542.75 : x - Step 2: Convert to fraction form
230,182.97/317,668.47 = 139,542.75/x - Step 3: Cross multiply
230,182.97x = 317,668.47 × 139,542.75 - Step 4: Simplify right side
230,182.97x = 44,328,332,560.06 - Step 5: Solve for x
x = 44,328,332,560.06/230,182.97 - Step 6: Final answer
x = 192,578.68
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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.