Finding the Fourth Proportional to 494,239.12, 741,358.68 and 120,258.88
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Solution
The fourth proportional to 494,239.12, 741,358.68 and 120,258.88 is: 180,388.32
Step by Step Solution
- Step 1: Write the proportion equation
494,239.12 : 741,358.68 = 120,258.88 : x - Step 2: Convert to fraction form
494,239.12/741,358.68 = 120,258.88/x - Step 3: Cross multiply
494,239.12x = 741,358.68 × 120,258.88 - Step 4: Simplify right side
494,239.12x = 89,154,964,535.08 - Step 5: Solve for x
x = 89,154,964,535.08/494,239.12 - Step 6: Final answer
x = 180,388.32
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1.5x scale
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.