Finding the Fourth Proportional to 306,747.14, 423,201.45 and 177,615.11
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Solution
The fourth proportional to 306,747.14, 423,201.45 and 177,615.11 is: 245,045.39
Step by Step Solution
- Step 1: Write the proportion equation
306,747.14 : 423,201.45 = 177,615.11 : x - Step 2: Convert to fraction form
306,747.14/423,201.45 = 177,615.11/x - Step 3: Cross multiply
306,747.14x = 423,201.45 × 177,615.11 - Step 4: Simplify right side
306,747.14x = 75,166,971,205.83 - Step 5: Solve for x
x = 75,166,971,205.83/306,747.14 - Step 6: Final answer
x = 245,045.39
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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.