Finding the Fourth Proportional to 321,750.99, 444,028.23 and 194,401.98
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Solution
The fourth proportional to 321,750.99, 444,028.23 and 194,401.98 is: 268,281.90
Step by Step Solution
- Step 1: Write the proportion equation
321,750.99 : 444,028.23 = 194,401.98 : x - Step 2: Convert to fraction form
321,750.99/444,028.23 = 194,401.98/x - Step 3: Cross multiply
321,750.99x = 444,028.23 × 194,401.98 - Step 4: Simplify right side
321,750.99x = 86,319,967,087.90 - Step 5: Solve for x
x = 86,319,967,087.90/321,750.99 - Step 6: Final answer
x = 268,281.90
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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.