Finding the Fourth Proportional to 195,744.46, 270,122.76 and 115,177.20
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Solution
The fourth proportional to 195,744.46, 270,122.76 and 115,177.20 is: 158,941.83
Step by Step Solution
- Step 1: Write the proportion equation
195,744.46 : 270,122.76 = 115,177.20 : x - Step 2: Convert to fraction form
195,744.46/270,122.76 = 115,177.20/x - Step 3: Cross multiply
195,744.46x = 270,122.76 × 115,177.20 - Step 4: Simplify right side
195,744.46x = 31,111,983,153.07 - Step 5: Solve for x
x = 31,111,983,153.07/195,744.46 - Step 6: Final answer
x = 158,941.83
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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.