Finding the Fourth Proportional to 984,189.75, 1,476,284.64 and 236,235.75
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Solution
The fourth proportional to 984,189.75, 1,476,284.64 and 236,235.75 is: 354,353.62
Step by Step Solution
- Step 1: Write the proportion equation
984,189.75 : 1,476,284.64 = 236,235.75 : x - Step 2: Convert to fraction form
984,189.75/1,476,284.64 = 236,235.75/x - Step 3: Cross multiply
984,189.75x = 1,476,284.64 × 236,235.75 - Step 4: Simplify right side
984,189.75x = 348,751,203,312.52 - Step 5: Solve for x
x = 348,751,203,312.52/984,189.75 - Step 6: Final answer
x = 354,353.62
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Double scale
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Similar ratio
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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.