Finding the Fourth Proportional to 552,721.13, 829,081.70 and 153,361.97
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Solution
The fourth proportional to 552,721.13, 829,081.70 and 153,361.97 is: 230,042.96
Step by Step Solution
- Step 1: Write the proportion equation
552,721.13 : 829,081.70 = 153,361.97 : x - Step 2: Convert to fraction form
552,721.13/829,081.70 = 153,361.97/x - Step 3: Cross multiply
552,721.13x = 829,081.70 × 153,361.97 - Step 4: Simplify right side
552,721.13x = 127,149,602,036.14 - Step 5: Solve for x
x = 127,149,602,036.14/552,721.13 - Step 6: Final answer
x = 230,042.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.