Finding the Fourth Proportional to 356,028.61, 491,319.12 and 194,882.23
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Solution
The fourth proportional to 356,028.61, 491,319.12 and 194,882.23 is: 268,937.28
Step by Step Solution
- Step 1: Write the proportion equation
356,028.61 : 491,319.12 = 194,882.23 : x - Step 2: Convert to fraction form
356,028.61/491,319.12 = 194,882.23/x - Step 3: Cross multiply
356,028.61x = 491,319.12 × 194,882.23 - Step 4: Simplify right side
356,028.61x = 95,749,365,747.24 - Step 5: Solve for x
x = 95,749,365,747.24/356,028.61 - Step 6: Final answer
x = 268,937.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.