Finding the Fourth Proportional to 306,747.56, 423,310.69 and 170,777.99
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Solution
The fourth proportional to 306,747.56, 423,310.69 and 170,777.99 is: 235,673.10
Step by Step Solution
- Step 1: Write the proportion equation
306,747.56 : 423,310.69 = 170,777.99 : x - Step 2: Convert to fraction form
306,747.56/423,310.69 = 170,777.99/x - Step 3: Cross multiply
306,747.56x = 423,310.69 × 170,777.99 - Step 4: Simplify right side
306,747.56x = 72,292,148,783.71 - Step 5: Solve for x
x = 72,292,148,783.71/306,747.56 - Step 6: Final answer
x = 235,673.10
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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.