Finding the Fourth Proportional to 269,306.34, 403,971.36 and 79,759.05
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Solution
The fourth proportional to 269,306.34, 403,971.36 and 79,759.05 is: 119,642.08
Step by Step Solution
- Step 1: Write the proportion equation
269,306.34 : 403,971.36 = 79,759.05 : x - Step 2: Convert to fraction form
269,306.34/403,971.36 = 79,759.05/x - Step 3: Cross multiply
269,306.34x = 403,971.36 × 79,759.05 - Step 4: Simplify right side
269,306.34x = 32,220,371,900.81 - Step 5: Solve for x
x = 32,220,371,900.81/269,306.34 - Step 6: Final answer
x = 119,642.08
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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.