Finding the Fourth Proportional to 398,879.12, 597,258.84 and 240,893.84
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Solution
The fourth proportional to 398,879.12, 597,258.84 and 240,893.84 is: 360,700.69
Step by Step Solution
- Step 1: Write the proportion equation
398,879.12 : 597,258.84 = 240,893.84 : x - Step 2: Convert to fraction form
398,879.12/597,258.84 = 240,893.84/x - Step 3: Cross multiply
398,879.12x = 597,258.84 × 240,893.84 - Step 4: Simplify right side
398,879.12x = 143,875,975,441.55 - Step 5: Solve for x
x = 143,875,975,441.55/398,879.12 - Step 6: Final answer
x = 360,700.69
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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.