Finding the Fourth Proportional to 157,373.69, 236,062.17 and 125,983.31
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Solution
The fourth proportional to 157,373.69, 236,062.17 and 125,983.31 is: 188,976.27
Step by Step Solution
- Step 1: Write the proportion equation
157,373.69 : 236,062.17 = 125,983.31 : x - Step 2: Convert to fraction form
157,373.69/236,062.17 = 125,983.31/x - Step 3: Cross multiply
157,373.69x = 236,062.17 × 125,983.31 - Step 4: Simplify right side
157,373.69x = 29,739,892,362.07 - Step 5: Solve for x
x = 29,739,892,362.07/157,373.69 - Step 6: Final answer
x = 188,976.27
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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.