Finding the Fourth Proportional to 199,206.12, 274,904.48 and 108,562.08
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Solution
The fourth proportional to 199,206.12, 274,904.48 and 108,562.08 is: 149,815.69
Step by Step Solution
- Step 1: Write the proportion equation
199,206.12 : 274,904.48 = 108,562.08 : x - Step 2: Convert to fraction form
199,206.12/274,904.48 = 108,562.08/x - Step 3: Cross multiply
199,206.12x = 274,904.48 × 108,562.08 - Step 4: Simplify right side
199,206.12x = 29,844,202,150.12 - Step 5: Solve for x
x = 29,844,202,150.12/199,206.12 - Step 6: Final answer
x = 149,815.69
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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.