Finding the Fourth Proportional to 151,416.74, 227,265.75 and 76,589.75
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Solution
The fourth proportional to 151,416.74, 227,265.75 and 76,589.75 is: 114,955.77
Step by Step Solution
- Step 1: Write the proportion equation
151,416.74 : 227,265.75 = 76,589.75 : x - Step 2: Convert to fraction form
151,416.74/227,265.75 = 76,589.75/x - Step 3: Cross multiply
151,416.74x = 227,265.75 × 76,589.75 - Step 4: Simplify right side
151,416.74x = 17,406,227,544.23 - Step 5: Solve for x
x = 17,406,227,544.23/151,416.74 - Step 6: Final answer
x = 114,955.77
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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.