Finding the Fourth Proportional to 306,971.24, 460,744.80 and 188,873.24
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Solution
The fourth proportional to 306,971.24, 460,744.80 and 188,873.24 is: 283,487.02
Step by Step Solution
- Step 1: Write the proportion equation
306,971.24 : 460,744.80 = 188,873.24 : x - Step 2: Convert to fraction form
306,971.24/460,744.80 = 188,873.24/x - Step 3: Cross multiply
306,971.24x = 460,744.80 × 188,873.24 - Step 4: Simplify right side
306,971.24x = 87,022,360,885.43 - Step 5: Solve for x
x = 87,022,360,885.43/306,971.24 - Step 6: Final answer
x = 283,487.02
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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.