Finding the Fourth Proportional to 79,387.79, 119,055.24 and 23,231.09
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Solution
The fourth proportional to 79,387.79, 119,055.24 and 23,231.09 is: 34,838.89
Step by Step Solution
- Step 1: Write the proportion equation
79,387.79 : 119,055.24 = 23,231.09 : x - Step 2: Convert to fraction form
79,387.79/119,055.24 = 23,231.09/x - Step 3: Cross multiply
79,387.79x = 119,055.24 × 23,231.09 - Step 4: Simplify right side
79,387.79x = 2,765,782,400.14 - Step 5: Solve for x
x = 2,765,782,400.14/79,387.79 - Step 6: Final answer
x = 34,838.89
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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.