Finding the Fourth Proportional to 674,670.20, 1,012,118.70 and 201,403.40
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Solution
The fourth proportional to 674,670.20, 1,012,118.70 and 201,403.40 is: 302,138.95
Step by Step Solution
- Step 1: Write the proportion equation
674,670.20 : 1,012,118.70 = 201,403.40 : x - Step 2: Convert to fraction form
674,670.20/1,012,118.70 = 201,403.40/x - Step 3: Cross multiply
674,670.20x = 1,012,118.70 × 201,403.40 - Step 4: Simplify right side
674,670.20x = 203,844,147,383.58 - Step 5: Solve for x
x = 203,844,147,383.58/674,670.20 - Step 6: Final answer
x = 302,138.95
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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.