Finding the Fourth Proportional to 201,970.70, 302,956.05 and 170,866.70
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Solution
The fourth proportional to 201,970.70, 302,956.05 and 170,866.70 is: 256,300.05
Step by Step Solution
- Step 1: Write the proportion equation
201,970.70 : 302,956.05 = 170,866.70 : x - Step 2: Convert to fraction form
201,970.70/302,956.05 = 170,866.70/x - Step 3: Cross multiply
201,970.70x = 302,956.05 × 170,866.70 - Step 4: Simplify right side
201,970.70x = 51,765,100,508.54 - Step 5: Solve for x
x = 51,765,100,508.54/201,970.70 - Step 6: Final answer
x = 256,300.05
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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.