Finding the Fourth Proportional to 168,006.75, 252,014.99 and 43,347.75
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Solution
The fourth proportional to 168,006.75, 252,014.99 and 43,347.75 is: 65,022.88
Step by Step Solution
- Step 1: Write the proportion equation
168,006.75 : 252,014.99 = 43,347.75 : x - Step 2: Convert to fraction form
168,006.75/252,014.99 = 43,347.75/x - Step 3: Cross multiply
168,006.75x = 252,014.99 × 43,347.75 - Step 4: Simplify right side
168,006.75x = 10,924,282,782.77 - Step 5: Solve for x
x = 10,924,282,782.77/168,006.75 - Step 6: Final answer
x = 65,022.88
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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.