Finding the Fourth Proportional to 194,101.84, 290,686.20 and 110,743.12
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Solution
The fourth proportional to 194,101.84, 290,686.20 and 110,743.12 is: 165,848.49
Step by Step Solution
- Step 1: Write the proportion equation
194,101.84 : 290,686.20 = 110,743.12 : x - Step 2: Convert to fraction form
194,101.84/290,686.20 = 110,743.12/x - Step 3: Cross multiply
194,101.84x = 290,686.20 × 110,743.12 - Step 4: Simplify right side
194,101.84x = 32,191,496,728.94 - Step 5: Solve for x
x = 32,191,496,728.94/194,101.84 - Step 6: Final answer
x = 165,848.49
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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.