Finding the Fourth Proportional to 557,546.68, 836,351.79 and 158,156.20
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Solution
The fourth proportional to 557,546.68, 836,351.79 and 158,156.20 is: 237,243.31
Step by Step Solution
- Step 1: Write the proportion equation
557,546.68 : 836,351.79 = 158,156.20 : x - Step 2: Convert to fraction form
557,546.68/836,351.79 = 158,156.20/x - Step 3: Cross multiply
557,546.68x = 836,351.79 × 158,156.20 - Step 4: Simplify right side
557,546.68x = 132,274,220,969.60 - Step 5: Solve for x
x = 132,274,220,969.60/557,546.68 - Step 6: Final answer
x = 237,243.31
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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.