Finding the Fourth Proportional to 321,747.99, 444,024.09 and 194,398.98
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Solution
The fourth proportional to 321,747.99, 444,024.09 and 194,398.98 is: 268,277.76
Step by Step Solution
- Step 1: Write the proportion equation
321,747.99 : 444,024.09 = 194,398.98 : x - Step 2: Convert to fraction form
321,747.99/444,024.09 = 194,398.98/x - Step 3: Cross multiply
321,747.99x = 444,024.09 × 194,398.98 - Step 4: Simplify right side
321,747.99x = 86,317,830,191.43 - Step 5: Solve for x
x = 86,317,830,191.43/321,747.99 - Step 6: Final answer
x = 268,277.76
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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.