Finding the Fourth Proportional to 199,201.01, 274,889.36 and 108,555.02
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Solution
The fourth proportional to 199,201.01, 274,889.36 and 108,555.02 is: 149,801.55
Step by Step Solution
- Step 1: Write the proportion equation
199,201.01 : 274,889.36 = 108,555.02 : x - Step 2: Convert to fraction form
199,201.01/274,889.36 = 108,555.02/x - Step 3: Cross multiply
199,201.01x = 274,889.36 × 108,555.02 - Step 4: Simplify right side
199,201.01x = 29,840,619,900.36 - Step 5: Solve for x
x = 29,840,619,900.36/199,201.01 - Step 6: Final answer
x = 149,801.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.