Finding the Fourth Proportional to 984,191.75, 1,476,287.64 and 236,237.75
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Solution
The fourth proportional to 984,191.75, 1,476,287.64 and 236,237.75 is: 354,356.63
Step by Step Solution
- Step 1: Write the proportion equation
984,191.75 : 1,476,287.64 = 236,237.75 : x - Step 2: Convert to fraction form
984,191.75/1,476,287.64 = 236,237.75/x - Step 3: Cross multiply
984,191.75x = 1,476,287.64 × 236,237.75 - Step 4: Simplify right side
984,191.75x = 348,754,870,426.41 - Step 5: Solve for x
x = 348,754,870,426.41/984,191.75 - Step 6: Final answer
x = 354,356.63
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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.