Finding the Fourth Proportional to 201,837.70, 302,756.55 and 170,733.70
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Solution
The fourth proportional to 201,837.70, 302,756.55 and 170,733.70 is: 256,100.55
Step by Step Solution
- Step 1: Write the proportion equation
201,837.70 : 302,756.55 = 170,733.70 : x - Step 2: Convert to fraction form
201,837.70/302,756.55 = 170,733.70/x - Step 3: Cross multiply
201,837.70x = 302,756.55 × 170,733.70 - Step 4: Simplify right side
201,837.70x = 51,690,745,980.74 - Step 5: Solve for x
x = 51,690,745,980.74/201,837.70 - Step 6: Final answer
x = 256,100.55
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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.