Finding the Fourth Proportional to 306,740.90, 423,192.88 and 177,608.88
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Solution
The fourth proportional to 306,740.90, 423,192.88 and 177,608.88 is: 245,036.81
Step by Step Solution
- Step 1: Write the proportion equation
306,740.90 : 423,192.88 = 177,608.88 : x - Step 2: Convert to fraction form
306,740.90/423,192.88 = 177,608.88/x - Step 3: Cross multiply
306,740.90x = 423,192.88 × 177,608.88 - Step 4: Simplify right side
306,740.90x = 75,162,811,973.03 - Step 5: Solve for x
x = 75,162,811,973.03/306,740.90 - Step 6: Final answer
x = 245,036.81
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1.5x scale
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.