Finding the Fourth Proportional to 255,133.80, 352,133.38 and 168,940.84
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Solution
The fourth proportional to 255,133.80, 352,133.38 and 168,940.84 is: 233,170.63
Step by Step Solution
- Step 1: Write the proportion equation
255,133.80 : 352,133.38 = 168,940.84 : x - Step 2: Convert to fraction form
255,133.80/352,133.38 = 168,940.84/x - Step 3: Cross multiply
255,133.80x = 352,133.38 × 168,940.84 - Step 4: Simplify right side
255,133.80x = 59,489,709,009.24 - Step 5: Solve for x
x = 59,489,709,009.24/255,133.80 - Step 6: Final answer
x = 233,170.63
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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.