Finding the Fourth Proportional to 398,576.96, 598,149.75 and 221,225.84
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Solution
The fourth proportional to 398,576.96, 598,149.75 and 221,225.84 is: 331,996.56
Step by Step Solution
- Step 1: Write the proportion equation
398,576.96 : 598,149.75 = 221,225.84 : x - Step 2: Convert to fraction form
398,576.96/598,149.75 = 221,225.84/x - Step 3: Cross multiply
398,576.96x = 598,149.75 × 221,225.84 - Step 4: Simplify right side
398,576.96x = 132,326,180,889.54 - Step 5: Solve for x
x = 132,326,180,889.54/398,576.96 - Step 6: Final answer
x = 331,996.56
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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.