Finding the Fourth Proportional to 255,430.97, 352,452.51 and 154,828.97
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Solution
The fourth proportional to 255,430.97, 352,452.51 and 154,828.97 is: 213,638.38
Step by Step Solution
- Step 1: Write the proportion equation
255,430.97 : 352,452.51 = 154,828.97 : x - Step 2: Convert to fraction form
255,430.97/352,452.51 = 154,828.97/x - Step 3: Cross multiply
255,430.97x = 352,452.51 × 154,828.97 - Step 4: Simplify right side
255,430.97x = 54,569,859,097.21 - Step 5: Solve for x
x = 54,569,859,097.21/255,430.97 - Step 6: Final answer
x = 213,638.38
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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.