Finding the Fourth Proportional to 398,065.36, 597,344.06 and 161,410.08
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Solution
The fourth proportional to 398,065.36, 597,344.06 and 161,410.08 is: 242,214.88
Step by Step Solution
- Step 1: Write the proportion equation
398,065.36 : 597,344.06 = 161,410.08 : x - Step 2: Convert to fraction form
398,065.36/597,344.06 = 161,410.08/x - Step 3: Cross multiply
398,065.36x = 597,344.06 × 161,410.08 - Step 4: Simplify right side
398,065.36x = 96,417,352,512.12 - Step 5: Solve for x
x = 96,417,352,512.12/398,065.36 - Step 6: Final answer
x = 242,214.88
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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.