Finding the Fourth Proportional to 170,862.99, 256,198.49 and 70,955.97
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Solution
The fourth proportional to 170,862.99, 256,198.49 and 70,955.97 is: 106,394.09
Step by Step Solution
- Step 1: Write the proportion equation
170,862.99 : 256,198.49 = 70,955.97 : x - Step 2: Convert to fraction form
170,862.99/256,198.49 = 70,955.97/x - Step 3: Cross multiply
170,862.99x = 256,198.49 × 70,955.97 - Step 4: Simplify right side
170,862.99x = 18,178,812,015.71 - Step 5: Solve for x
x = 18,178,812,015.71/170,862.99 - Step 6: Final answer
x = 106,394.09
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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.