Finding the Fourth Proportional to 168,004.75, 252,011.99 and 43,345.75
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Solution
The fourth proportional to 168,004.75, 252,011.99 and 43,345.75 is: 65,019.88
Step by Step Solution
- Step 1: Write the proportion equation
168,004.75 : 252,011.99 = 43,345.75 : x - Step 2: Convert to fraction form
168,004.75/252,011.99 = 43,345.75/x - Step 3: Cross multiply
168,004.75x = 252,011.99 × 43,345.75 - Step 4: Simplify right side
168,004.75x = 10,923,648,715.54 - Step 5: Solve for x
x = 10,923,648,715.54/168,004.75 - Step 6: Final answer
x = 65,019.88
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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.