Finding the Fourth Proportional to 398,187.12, 597,273.24 and 98,668.44
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Solution
The fourth proportional to 398,187.12, 597,273.24 and 98,668.44 is: 148,000.82
Step by Step Solution
- Step 1: Write the proportion equation
398,187.12 : 597,273.24 = 98,668.44 : x - Step 2: Convert to fraction form
398,187.12/597,273.24 = 98,668.44/x - Step 3: Cross multiply
398,187.12x = 597,273.24 × 98,668.44 - Step 4: Simplify right side
398,187.12x = 58,932,018,844.55 - Step 5: Solve for x
x = 58,932,018,844.55/398,187.12 - Step 6: Final answer
x = 148,000.82
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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.