Finding the Fourth Proportional to 398,684.44, 598,024.74 and 132,464.92
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Solution
The fourth proportional to 398,684.44, 598,024.74 and 132,464.92 is: 198,696.74
Step by Step Solution
- Step 1: Write the proportion equation
398,684.44 : 598,024.74 = 132,464.92 : x - Step 2: Convert to fraction form
398,684.44/598,024.74 = 132,464.92/x - Step 3: Cross multiply
398,684.44x = 598,024.74 × 132,464.92 - Step 4: Simplify right side
398,684.44x = 79,217,299,342.12 - Step 5: Solve for x
x = 79,217,299,342.12/398,684.44 - Step 6: Final answer
x = 198,696.74
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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.