Finding the Fourth Proportional to 233,042.97, 321,551.07 and 136,228.13
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Solution
The fourth proportional to 233,042.97, 321,551.07 and 136,228.13 is: 187,966.62
Step by Step Solution
- Step 1: Write the proportion equation
233,042.97 : 321,551.07 = 136,228.13 : x - Step 2: Convert to fraction form
233,042.97/321,551.07 = 136,228.13/x - Step 3: Cross multiply
233,042.97x = 321,551.07 × 136,228.13 - Step 4: Simplify right side
233,042.97x = 43,804,300,052.80 - Step 5: Solve for x
x = 43,804,300,052.80/233,042.97 - Step 6: Final answer
x = 187,966.62
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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.