Finding the Fourth Proportional to 498,660.96, 748,287.36 and 199,282.80
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Solution
The fourth proportional to 498,660.96, 748,287.36 and 199,282.80 is: 299,042.46
Step by Step Solution
- Step 1: Write the proportion equation
498,660.96 : 748,287.36 = 199,282.80 : x - Step 2: Convert to fraction form
498,660.96/748,287.36 = 199,282.80/x - Step 3: Cross multiply
498,660.96x = 748,287.36 × 199,282.80 - Step 4: Simplify right side
498,660.96x = 149,120,800,305.41 - Step 5: Solve for x
x = 149,120,800,305.41/498,660.96 - Step 6: Final answer
x = 299,042.46
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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.