Finding the Fourth Proportional to 274,603.74, 411,162.21 and 194,311.68
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Solution
The fourth proportional to 274,603.74, 411,162.21 and 194,311.68 is: 290,941.48
Step by Step Solution
- Step 1: Write the proportion equation
274,603.74 : 411,162.21 = 194,311.68 : x - Step 2: Convert to fraction form
274,603.74/411,162.21 = 194,311.68/x - Step 3: Cross multiply
274,603.74x = 411,162.21 × 194,311.68 - Step 4: Simplify right side
274,603.74x = 79,893,619,777.61 - Step 5: Solve for x
x = 79,893,619,777.61/274,603.74 - Step 6: Final answer
x = 290,941.48
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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.