Finding the Fourth Proportional to 364,393.62, 546,431.58 and 193,578.12
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Solution
The fourth proportional to 364,393.62, 546,431.58 and 193,578.12 is: 290,282.79
Step by Step Solution
- Step 1: Write the proportion equation
364,393.62 : 546,431.58 = 193,578.12 : x - Step 2: Convert to fraction form
364,393.62/546,431.58 = 193,578.12/x - Step 3: Cross multiply
364,393.62x = 546,431.58 × 193,578.12 - Step 4: Simplify right side
364,393.62x = 105,777,197,965.03 - Step 5: Solve for x
x = 105,777,197,965.03/364,393.62 - Step 6: Final answer
x = 290,282.79
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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.