Finding the Fourth Proportional to 157,112.74, 216,777.76 and 92,584.62
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Solution
The fourth proportional to 157,112.74, 216,777.76 and 92,584.62 is: 127,744.49
Step by Step Solution
- Step 1: Write the proportion equation
157,112.74 : 216,777.76 = 92,584.62 : x - Step 2: Convert to fraction form
157,112.74/216,777.76 = 92,584.62/x - Step 3: Cross multiply
157,112.74x = 216,777.76 × 92,584.62 - Step 4: Simplify right side
157,112.74x = 20,070,286,534.05 - Step 5: Solve for x
x = 20,070,286,534.05/157,112.74 - Step 6: Final answer
x = 127,744.49
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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.