Finding the Fourth Proportional to 224,990.92, 310,556.73 and 129,561.31
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Solution
The fourth proportional to 224,990.92, 310,556.73 and 129,561.31 is: 178,834.49
Step by Step Solution
- Step 1: Write the proportion equation
224,990.92 : 310,556.73 = 129,561.31 : x - Step 2: Convert to fraction form
224,990.92/310,556.73 = 129,561.31/x - Step 3: Cross multiply
224,990.92x = 310,556.73 × 129,561.31 - Step 4: Simplify right side
224,990.92x = 40,236,136,768.12 - Step 5: Solve for x
x = 40,236,136,768.12/224,990.92 - Step 6: Final answer
x = 178,834.49
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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.